Gulkana Glacier, Alaska

                          Ice Radar Locations (UTM, Zone 6 - NAD1983, NGVD29)                          Ice Thickness Data
                Transmitter                   Receiver                       Midpoint                   Xmtr  Radar  
Glacier                                                                                                 Rcvr  Delay  Ice
Location Easting Northing  Altitude    Easting  Northing  Altitude    Easting  Northing  Altitude Error  Sep.  Time Thick.
          (m)       (m)      (m)         (m)       (m)      (m)         (m)       (m)      (m)     (m)   (m) (micro) (m)
                                                                                                              (sec)

Site D  580,983  7,018,382  1,835      580,903  7,018,431  1,828      580,943  7,018,406  1,832    <1     95   1.90  180

Profile B:
        579,905  7,018,213  1,680      579,875  7,018,270  1,686      579,890  7,018,242  1,683    <1     65   1.75  160
        579,875  7,018,270  1,686      579,775  7,018,338  1,691      579,825  7,018,304  1,689    10    121   2.25  210
        579,775  7,018,338  1,691      579,736  7,018,404  1,624      579,755  7,018,371  1,657    10    102   2.85  260
        579,736  7,018,404  1,624      579,674  7,018,476  1,695      579,705  7,018,440  1,660    10    118   2.90  270
        579,674  7,018,476  1,695      579,598  7,018,549  1,695      579,636  7,018,512  1,695    10    105   2.10  200
        579,598  7,018,549  1,695      579,527  7,018,615  1,696      579,563  7,018,582  1,695    <1     97   1.25  120
        579,527  7,018,615  1,696      579,443  7,018,694  1,700      579,485  7,018,654  1,698    <1    115   0.65   70

Profile A:
        579,236  7,015,159  1,387      579,183  7,015,204  1,391      579,210  7,015,181  1,389    <1     69   1.25  120
        579,183  7,015,204  1,391      579,097  7,015,256  1,392      579,140  7,015,230  1,391    <1    101   1.45  140
        579,097  7,015,256  1,392      578,972  7,015,308  1,392      579,035  7,015,282  1,392    10    136   1.35  140
        578,972  7,015,308  1,392      578,891  7,015,349  1,392      578,931  7,015,328  1,392    15     90   1.40  140
        578,891  7,015,349  1,392      578,797  7,015,405  1,389      578,844  7,015,377  1,390    10    110   1.40  140
        578,797  7,015,405  1,389      578,694  7,015,466  1,385      578,745  7,015,436  1,387    10    120   1.55  150
        578,694  7,015,466  1,385      578,605  7,015,522  1,377      578,649  7,015,494  1,381    15    105   1.35  130
        578,605  7,015,522  1,377      578,524  7,015,579  1,376      578,565  7,015,551  1,376    15     99   1.25  120
        578,524  7,015,579  1,376      578,454  7,015,626  1,375      578,489  7,015,602  1,375    15     84   1.10  110
        578,454  7,015,626  1,375      578,382  7,015,667  1,371      578,418  7,015,646  1,373    15     83   0.95   90
        578,382  7,015,667  1,371      578,325  7,015,700  1,376      578,353  7,015,683  1,373    15     67   0.50   50