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publications > open file report > OFR 2007-1203 > appendix 1: core FB697 25B
APPENDIX 1: Lead-210 Data on Cores and Surficial Samples for Biscayne Bay and Florida Bay
Data are listed by general location (Biscayne Bay or Florida Bay), then by date collected, then by core number.
Florida Bay Cores
Core ID: FB697 25B
Core Location: Whipray Basin, Florida Bay, Florida
Lat/Long: N 25.0712° W 80.7385°
Date Collected: June 13, 1997
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Accum. Dry Bulk Density (g/cm3)
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Dry Bulk Density - Fines (g/cm3)
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Water Content (%)
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Insoluble Residue (% Dry Wt.)
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Coarse (% Dry Wt.) >0.062mm
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Fines (% Dry Wt.) <0.062mm
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*Loss On Ignition (% Dry Wt.)
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*Total Pb-210 Activity (dpm/g)
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*Total Pb-210 Error +/- (dpm/g)
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0-2
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1.0
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0.85
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0.18
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0.18
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0.18
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79.15
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13.04
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0.64
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99.36
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15.70
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5.39
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0.062
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2-4
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3.0
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1.02
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0.26
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0.43
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0.25
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74.96
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16.71
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1.00
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99.00
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15.60
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5.33
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0.074
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4-6
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5.0
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1.19
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0.35
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0.78
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0.35
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70.74
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16.49
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0.83
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99.17
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15.07
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5.49
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0.050
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6-8
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7.0
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0.74
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0.25
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1.03
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0.24
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66.99
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16.78
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0.90
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99.10
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15.13
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4.97
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0.050
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8-10
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9.0
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0.70
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0.25
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1.27
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0.24
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64.68
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16.67
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1.22
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98.78
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14.72
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5.26
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0.049
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10-12
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11.0
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0.75
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0.27
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1.54
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0.25
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64.64
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15.90
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4.64
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95.36
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14.17
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5.38
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0.047
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12-14
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13.0
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0.76
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0.29
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1.83
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0.28
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61.84
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14.85
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5.07
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94.93
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13.24
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4.89
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0.040
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14-16
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15.0
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0.81
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0.29
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2.12
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0.28
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63.98
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14.45
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3.84
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96.16
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13.46
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4.27
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0.039
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16-18
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17.0
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0.82
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0.32
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2.44
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0.30
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61.50
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14.13
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5.79
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94.21
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14.12
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4.03
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0.037
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18-20
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19.0
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0.80
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0.31
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2.75
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0.28
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60.80
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13.83
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11.21
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88.79
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14.69
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3.56
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0.031
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20-22
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21.0
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0.91
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0.34
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3.09
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0.31
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62.58
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13.83
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9.40
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90.60
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13.95
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3.52
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0.029
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22-24
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23.0
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0.73
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0.27
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3.36
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0.23
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62.31
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12.47
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15.35
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84.65
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11.80
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3.70
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0.038
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24-26
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25.0
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0.80
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0.32
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3.69
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0.26
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59.77
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10.02
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19.06
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80.94
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12.44
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3.24
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0.042
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26-28
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27.0
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0.92
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0.37
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4.06
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0.29
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59.59
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9.44
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21.36
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78.64
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11.56
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3.16
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0.045
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28-30
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29.0
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0.66
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0.28
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4.34
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0.22
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57.15
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9.85
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20.46
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79.54
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10.07
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2.78
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0.043
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30-32
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31.0
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0.89
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0.39
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4.73
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0.29
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56.40
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8.63
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24.39
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75.61
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10.22
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2.66
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0.043
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32-34
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33.0
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0.89
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0.42
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5.14
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0.32
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53.53
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7.73
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22.68
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77.32
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10.80
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2.84
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0.045
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34-36
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35.0
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0.89
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0.43
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5.57
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0.25
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52.01
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7.09
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40.74
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59.26
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10.29
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2.35
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0.039
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36-38
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37.0
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0.93
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0.44
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6.01
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0.28
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52.99
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7.43
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35.46
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64.54
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9.86
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1.96
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0.035
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38-40
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39.0
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0.90
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0.40
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6.41
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0.29
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55.09
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8.99
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28.05
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71.95
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9.92
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1.70
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0.029
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40-42
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41.0
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0.91
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0.45
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6.86
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0.34
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51.02
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7.37
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23.17
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76.83
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10.19
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1.62
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0.031
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42-44
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43.0
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0.92
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0.40
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7.26
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0.34
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56.41
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10.80
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14.84
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85.16
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10.17
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1.73
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0.027
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44-46
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45.0
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0.80
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0.37
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7.63
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0.35
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53.81
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12.30
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6.52
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93.48
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11.60
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1.76
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0.038
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46-48
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47.0
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0.82
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0.32
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7.95
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0.31
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60.88
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12.31
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5.11
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94.89
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--
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--
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--
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48-50
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49.0
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0.73
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0.25
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8.20
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0.24
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65.20
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13.78
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4.36
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95.64
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--
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--
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--
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50-52
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51.0
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0.80
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0.28
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8.48
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0.25
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65.38
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13.03
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10.76
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89.24
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13.58
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1.80
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0.035
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52-54
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53.0
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1.04
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0.42
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8.90
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0.35
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59.69
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10.89
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16.72
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83.28
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10.59
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1.73
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0.030
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54-56
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55.0
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0.90
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0.44
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9.34
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0.39
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51.25
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10.39
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11.99
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88.01
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10.42
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1.80
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0.032
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56-58
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57.0
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0.87
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0.37
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9.72
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0.35
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57.07
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13.31
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6.26
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93.74
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10.28
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1.82
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0.031
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58-60
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59.0
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1.01
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0.44
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10.15
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0.35
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56.70
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10.04
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18.82
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81.18
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10.43
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1.99
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0.040
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60-62
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61.0
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0.95
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0.48
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10.63
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0.35
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49.61
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6.90
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27.04
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72.96
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8.43
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2.00
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0.049
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62-64
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63.0
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1.11
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0.60
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11.23
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0.35
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46.36
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5.61
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41.69
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58.31
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8.01
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1.96
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0.033
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64-66
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65.0
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1.03
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0.58
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11.80
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0.36
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44.05
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6.39
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36.74
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63.26
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7.61
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2.11
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0.036
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66-68
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67.0
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1.06
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0.59
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12.39
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0.45
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44.66
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7.63
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23.84
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76.16
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7.31
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2.15
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0.038
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68-70
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69.0
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1.15
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0.65
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13.04
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0.54
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43.46
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8.46
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17.38
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82.62
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6.79
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2.35
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0.039
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70-72
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71.0
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1.09
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0.61
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13.65
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0.52
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44.13
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8.92
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15.03
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84.97
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--
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--
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--
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72-74
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73.0
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0.99
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0.61
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14.26
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0.47
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38.95
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8.44
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22.49
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77.51
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6.39
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2.46
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0.038
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74-76
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75.0
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1.24
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0.76
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15.01
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0.61
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39.27
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9.57
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18.95
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81.05
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7.85
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2.61
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0.040
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76-78
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77.0
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1.01
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0.57
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15.58
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0.46
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43.78
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12.23
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18.47
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81.53
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10.60
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2.74
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0.042
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78-80
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79.0
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0.89
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--
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--
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--
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--
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--
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--
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--
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22.02
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2.84
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0.043
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80-82
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81.0
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0.89
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--
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--
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--
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--
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--
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--
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--
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--
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--
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--
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82-84
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83.0
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0.72
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--
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--
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--
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--
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--
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--
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--
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--
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--
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--
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84-86
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85.0
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0.76
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--
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--
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--
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--
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--
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--
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--
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--
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--
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--
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86-88
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87.0
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0.78
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--
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--
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--
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--
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--
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--
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--
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--
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--
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--
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*Data is for <0.062mm size fraction only.
**Analyses (except 86-88cm) ran by Jim Budhan, USGS, Denver.
ND = Not detected
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