Arizona

For more information on the Walnut Gulch, Santa Rita and Safford watersheds visit the
USDA-ARS Southwest Watershed Research Center, Tucson, AZ web site.

Walnut Gulch | Santa Rita | Safford

Walnut Gulch

63001 W-1 TOMBSTONE AZ

Acres: 36900.

Dates of operation: 01/01/54-Present

Latitude: 314445 Longitude: 1100910

Rain gage(s): RG000001 (1954-90) , RG000002 (1954-90), RG000003 (1954-90), RG000004 (1954-90), RG000005 (1954-90), RG000006(1962-69) , RG000007 (1954-90), RG000008 (1954-90), RG000009 (1954-90), RG000010 (1954- 90), RG000011 (1954- 90), RG000012 (1954- 57, 1960-90), RG000013 (1954-90), RG000014 (1954-90), RG000015 (1956-90), RG000016 (1954-90), RG000017 (1965-90), RG000018 (1954-90), RG000019 (1954-55, 1963-90), RG000020 (1954-56, 1962-90), RG000021 (1955-90), RG000022 (1953-90), RG000023 (1954-90), RG000024 (1954-90), RG000025 (1960-90), RG000026 (1954-56, 1959-90), RG000027 (1954-90), RG000028 (1956-90), RG000029 (1954-90), RG000030 (1955-90), RG000031 (1955-90), RG000032 (1962-90), RG000033 (1955-90), RG000034 (1963-90), RG000035 (1959-90), RG000036 (1953-90), RG000037 (1966-90), RG000038 (1960- 90), (1955- 90), RG000040 (1962- 90), RG000041 (1955- 90), RG000042 (1955-90), RG000043 (1955-90), RG000044 (1955-90), RG000045 (1955-90), RG000046 (1965-90), RG000047 (1955-90), RG000048 (1955-90), RG000049 (1960-90), RG000050 (1955, 1960-90), RG000051 (1960-90), RG000052 (1963-90), RG000053 (1967-90), RG000054 (1955-90), RG000055 (1960-90), RG000056 (1955-90), RG000057 (1959-90), RG000058 (1962-90), RG000059 (1962-90), RG000060 (1955-90), RG000061 (1957-90), RG000062 (1960-90), RG000063 (1961-90), RG000064(1960-70, 1979-90) , RG000065 (1955-90), RG000066 (1955-90), RG000067 (1961-90), RG000068 (1955-90), RG000069 (1957-90), RG000070 (1955-90), RG000071 (1960-90), RG000072 (1963-90), RG000073 (1961-84), RG000074 (1961-90), RG000075 (1961-84), RG000076 (1961-90), RG000077 (1961-84), RG000078 (1961-84), RG000079 (1964-90), RG000080 (1963-90), RG000081 (1962-90), RG000082 (1963-90), RG000083 (1963-90), RG000087 (1966-90), RG000088 (1966-90), RG000089 (1966-90), RG000090 (1966-90), RG000091 (1966-90), RG000092 (1966-76, 1980-90), RG000093 (1967-84), RG000094 (1970-79), RG000096 (1970-84), RG000100 (1985-90), RG000302 (1960-61, 1963-64), RG000322 (1960-63), RG000341 (1960-63), RG000361 (1960-70), RG000381 (1976-77), RG000384 (1964-90), RG000385 (1964-70), RG000386 (1965-84), RG000392 (1976-79), RG000395 (1971-77), RG000397 (1975-90), RG000398 (1977-90), RG000399 (1981-90), RG000504 (1982-90), RG000510 (1983- 90), RG000512 (1968- 90), RG000537 (1968- 90), RG000546 (1983- 90), RG000550 (1983-90), RG000560 (1968-90), RG000568 (1983-90), RG000581 (1983-90), RG000583 (1983-90), RG000587 (1968-90), RG000593(1974-76)

Runoff data 1968-77

Max-min daily air temperature 1968-77

Topographic map

Raingage map

Contour map

63002 W-2 TOMBSTONE AZ

Acres: 28100.

Dates of operation: 01/01/54-Present

Latitude: 314405 Longitude: 1100555

Rain gage(s): RG000012 (1954-57, 1960-90), RG000013 (1954-90), RG000016 (1954-90), RG000017 (1965-90), RG000019 (1954-55, 1963-90), RG000020 (1954-56, 1962-90), RG00021(1955-90) , RG000022 (1953-90), RG000023 (1954-90), RG000024 (1954-90), RG000025 (1960-90), RG000026 (1954-56, 1959-90), RG000027 (1954-90), RG000028 (1956-90), RG000029 (1954-90), RG000030 (1955-90), RG000031 (1955-90), RG000032 (1962-90), RG000033 (1955-90), RG000034 (1963-90), RG000035 (1959-90), RG000036 (1953-90), RG000037 (1966-90), RG000038 (1960- 90), RG000039 (1955- 90), RG000040 (1962- 90), RG000041 (1955- 90), RG000042 (1955- 90), RG000043 (1955-90), RG000044 (1955-90), RG000045 (1955-90), RG000046 (1962-90), RG000047 (1955-90), RG000048 (1955-90), RG000049 (1960-90), RG000050 (1955, 1960-90), RG000051 (1960-90), RG000052 (1963-90), RG000053 (1967-90), RG000054 (1955-90), RG000055 (1960-90), RG000056 (1955-90), RG000057 (1959-90), RG000058 (1962-90), RG000059 (1962-90), RG000060 (1955-90), RG000061 (1957-90), RG000062 (1960-90), RG000063 (1961-90), RG000064(1960-70, 1979-90) ,RG000065 (1955-90), RG000066 (1955-90), RG000067 (1961-90), RG000068 (1955-90), RG000069 (1957-90), RG000070 (1955-90), RG000071 (1960-90), RG000072 (1963-90), RG000074 (1961-90), RG000077 (1961-84), RG000078 (1961-84), RG000080 (1963-90), RG000081 (1962-90), RG000082 (1963-90), RG000083 (1963-90), RG000087 (1966-90), RG000088 (1966-90), RG000089 (1966-90), RG000090 (1966-90), RG000091 (1966-90), RG000093(1967-84) ,

Runoff data 1968-77

63003 W-3 TOMBSTONE AZ

Acres: 2220.

Dates of operation: 05/01/54-Present

Latitude: 314357 Longitude: 1100325

Rain gage(s): RG000023 (1954-90), RG000027 (1954-90), RG000031 (1955-90), RG000032 (1962-90), RG000038 (1960-90), RG000043 (1955-90), RG000044(1955-90) ,RG000050 (1955, 1960- 90), RG000071 (1960- 90), RG000074 (1961- 90), RG000080 (1963- 90), RG000083 (1963- 90), RG000087 (1966- 90), RG000089(1966- 90) ,

Runoff data 1968-77

63004 W-4 TOMBSTONE AZ

Acres: 560.

Dates of operation: 06/01/54-Present

Latitude: 314419 Longitude: 1100240

Rain gage(s): RG000071 RG000027 (1954-90), RG000031 (1955-90), RG000071 (1960-90), RG000074(1961-90)

Runoff data 1968-77

63005 W-5 TOMBSTONE AZ

Acres: 5510.

Dates of operation: 01/01/54-12/31/73

Latitude: Longitude:

Rain gage(s): RG000029 (1954-90), RG000030 (1955-90), RG000034 (1963-90), RG000035 (1959-90), RG000036 (1953-90), RG000037 (1966-90), RG000041 (1955-90), RG000042 (1955-90), RG000046 (1962-90), RG000047 (1955-90), RG000048 (1955-90), RG000049 (1960-90), RG000053 (1967-90), RG000077 (1961-84), RG000078(1961- 84)

Runoff data 1968-73

63006 W-6 TOMBSTONE AZ

Acres: 23500.

Dates of operation: 01/01/62-Present

Latitude: 314355 Longitude: 1100305

Rain gage(s): RG000019 (1954-55, 1963-90), RG000020 (1954-56, 1962-90), RG000024 (1954-90), RG000025 (1960-90), RG000026 (1954-56, 1959-90), RG000028 (1956-90), RG000029 (1954-90), RG000030 (1955-90), RG000032 (1962-90), RG000033 (1955-90), RG000034 (1963-90), RG000035 (1959-90), RG000036 (1953-90), RG000037 (1966-90), RG000038 (1960- 90), RG000039 (1955- 90), RG000040 (1962- 90), RG000041 (1955- 90), RG000042 (1955- 90), RG000044 (1955- 90), RG000045 (1955-90), RG000046 (1962-90), RG000047 (1955-90), RG000048 (1955-90), RG000049 (1960-90), RG000050 (1955, 1960-90), RG000051 (1960-90), RG000052 (1963-90), RG000053 (1967-90), RG000054 (1955-90), RG000055 (1960-90), RG000056 (1955-90), RG000057 (1959-90), RG000058 (1962-90), RG000059 (1962-90), RG000060 (1955-90), RG000061 (1957-90), RG000062 (1960-90), RG000063 (1961-90), RG000064(1960-70, 1979-90), RG000065 (1955-90), RG000066 (1955-90), RG000067 (1961-90), RG000068 (1955-90), RG000069 (1957-90), RG000070 (1955-90), RG000072 (1963-90), RG000077 (1961-84), RG000078 (1961-84), RG000080 (1963-90), RG000081 (1962-90), RG000082 (1963-90), RG000087 (1966-90), RG000088 (1966-90), RG000089 (1966-90), RG000090 (1966-90), RG000091(1966-90)

Runoff data 1968-77

63007 W-7 TOMBSTONE AZ

Acres: 3340.

Dates of operation: 06/01/66-Present

Latitude: 314402 Longitude: 1100555

Rain gage(s): RG000009 (1954-90), RG000010 (1954-90), RG000012 (1954-57, 1960-90), RG000013 (1954-90), RG000014 (1954-90), RG000017 (1965-90), RG000018 (1954-90), RG000019 (1954-55, 1963-90), RG000024 (1954-90), RG000079 (1964-90), RG000081(1962-90)

Runoff data 1968-77

63008 W-8 TOMBSTONE AZ

Acres: 3830.

Dates of operation: 07/31/63-Present

Latitude: 314323 Longitude: 1100239

Rain gage(s): RG000028 (1956-90), RG000032 (1962-90), RG000033 (1955-90), RG000038 (1960-90), RG000039 (1955-90), RG000044 (1955-90), RG000051 (1960-90), RG000052 (1963-90), RG000054 (1955-90), RG000055 (1960-90), RG000056 (1955-90), RG000080 (1963-90), RG000087 (1966-90), RG000088 (1966-90), RG000089 (1966-90), RG000090 (1960-90), RG000091(1966-90)

Runoff data 1968-77

Watershed Conditions:(circa 1971) Vegetative cover: approximately 33% of area is dominated by dessert shrubs (whitethorn, creosotebush, tarbush) with a crown spread of approximately 30% and an understory of grasses with less than 1% basal area. The remaining 67% of the area is dominated by grasses (black grama, curly mesquite, sideoats grama) with a basal area of about 2.5% interspersed by desert shrubs with a crown spread of 5%.

63009 W-9 TOMBSTONE AZ

Acres: 5830.

Dates of operation: 01/01/68-Present

Latitude: 314308 Longitude: 1100130

Rain gage(s): RG000029 (1954-90), RG000040 (1962-90), RG000041 (1955-90), RG000045 (1955-90), RG000046 (1962-90), RG000053 (1967-90), RG000057 (1959-90), RG000058 (1962-90), RG000059 (1962-90), RG000060 (1955-90), RG000061 (1957-90), RG000062 (1960-90), RG000063 (1961-90), RG000065 (1955-90), RG000066 (1955-90), RG000068 (1955-90), RG000072 (1963-90), RG000082(1963-90)

Runoff data 1968-77

63010 W-10 TOMBSTONE AZ

Acres: 4110.

Dates of operation: 01/01/68-Present

Latitude: 314315 Longitude: 1100123

Rain gage(s): RG000039 (1955-90), RG000040 (1962-90), RG000044 (1955-90), RG000045 (1955-90), RG000052 (1963-90), RG000055 (1960-90), RG000056 (1955-90), RG000057 (1959-90), RG000060 (1955-90), RG000061 (1957-90), RG000064(1960-70, 1979-90) RG000065 (1955-90), RG000067 (1961-90), RG000068 (1955-90), RG000069 (1957-90), RG000070 (1955-90), RG000072 (1963-90), RG000091(1966-90)

Runoff data 1968-77

63011 W-11 TOMBSTONE AZ

Acres: 2035.

Dates of operation: 01/01/63-Present

Latitude: 314428 Longitude: 1095940

Rain gage(s): RG000044 (1955-90), RG000051 (1960-90), RG000052 (1963-90), RG000054 (1955-90), RG000055 (1960-90), RG000056 (1955-90), RG000088 (1966-90), RG000089 (1966-90), RG000090 (1966-90), RG000091(1966-90)

Runoff data 1968-77

Watershed Conditions: (circa 1971) Approximately 20% of the area dominated by desert shrubs (whitethorn, creosotebush, tarbush) with a crown spread of approximately 30% and an understory of grasses with a basal area of less than 1%. The remaining 80% of the area supports a grass cover (black grama, curly mesquite, sideoats grama) with a basal cover of about 2.5% interspersed with desert shrubs averaging less then 5% crown.

63015 W-15 TOMBSTONE AZ

Acres: 5912.

Dates of operation: 06/01/65-Present

Latitude: 314246 Longitude: 1100225

Rain gage(s): RG000029 (1954-90), RG000030 (1955-90), RG000034 (1963-90), RG000035 (1959-90), RG000036 (1953-90), RG000037 (1966-90), RG000041 (1955-90), RG000042 (1955-90), RG000046 (1962-90), RG000047 (1955-90), RG000048 (1955-90), RG000049 (1960-90), RG000053 (1967-90), RG000077 (1961-84), RG000078(1961-84)

Runoff data 1968-77

63101 Lucky Hills 1 TOMBSTONE AZ

Acres: 3.2

Dates of operation: 01/01/62-Present

Latitude: 314430 Longitude: 1100315

Rain gage(s): RG000083(1963-90)

Runoff data 1962-76

63102 Lucky Hills 2 TOMBSTONE AZ

Acres: 3.6

Dates of operation: 01/01/63-Present

Latitude: 314430 Longitude: 1100315

Rain gage(s):RG000083(1963-90)

Runoff data 1963-77

63103 Lucky Hills 3 TOMBSTONE AZ

Acres: 9.10

Dates of operation: 07/01/63-Present

Latitude: 314430 Longitude: 1100315

Rain gage(s): RG000083(1963-90)

Runoff data 1963-77

63104 Lucky Hills 4 TOMBSTONE AZ

Acres: 11.2

Dates of operation: 01/01/63-Present

Latitude: 314430 Longitude: 1100315

Rain gage(s): RG000083(1963-90)

Runoff data 1963-76

63105 Lucky Hills 5 TOMBSTONE AZ

Acres: .45

Dates of operation: 01/01/65-Present

Latitude: 314430 Longitude: 1100315

Rain gage(s): RG000083(1963-90)

Runoff data 1965-77

63106 Lucky Hills 6 TOMBSTONE AZ

Acres: .85

Dates of operation: 01/01/65-Present

Latitude: 314430 Longitude: 1100315

Rain gage(s): RG000083(1963-90)

Runoff data 1965-77

63111 KENDALL 1 TOMBSTONE AZ

Acres: 143.

Dates of operation: 01/01/62-Present

Latitude: 314405 Longitude: 1095653

63112 KENDALL 2 TOMBSTONE AZ

Acres: 4.6

Dates of operation: 01/01/62-Present

Latitude: 314410 Longitude: 1095640

Rain gage(s):

Runoff data 1962-75

63113 KENDALL 3 TOMBSTONE AZ

Acres: 70.

Dates of operation: 01/01/66-Present

Latitude: 314417 Longitude: 1095635

63121 HOLLY RANCH TOMBSTONE AZ

Acres: 13.4

Dates of operation: 01/01/72-Present

Latitude: 314350 Longitude: 1100214

63122 COWEN 122 TOMBSTONE AZ

Acres: 2.4

Dates of operation: 01/01/74-Present

Latitude: 314437 Longitude: 1100058

63124 COWEN 124 TOMBSTONE AZ

Acres: 5.4

Dates of operation: 01/01/74-Present

Latitude: 314437 Longitude: 1100058

63201 WALNUT GULCH POND TOMBSTONE AZ

Acres: 109.0

Dates of operation: 01/01/66-Present

Latitude: 314420 Longitude: 1100805

63207 WALNUT GULCH POND TOMBSTONE AZ

Acres: 264.0

Dates of operation: 01/01/59-Present

Latitude: 314156 Longitude: 1100135

63208 WALNUT GULCH POND TOMBSTONE AZ

Acres: 268.0

Dates of operation: 01/01/69-Present

Latitude: 314455 Longitude: 1100122

63212 WALNUT GULCH POND TOMBSTONE AZ

Acres: 782.0

Dates of operation: 01/01/69-Present

Latitude: 314052 Longitude: 1100042

63213 WALNUT GULCH POND TOMBSTONE AZ

Acres: 364.0

Dates of operation: 01/01/69-Present

Latitude: 314223 Longitude: 1100013

63214 WALNUT GULCH POND TOMBSTONE AZ

Acres: 378.0

Dates of operation: 01/01/60-Present

Latitude: 314520 Longitude: 1095551

63215 WALNUT GULCH POND TOMBSTONE AZ

Acres: 84.0

Dates of operation: 01/01/66-Present

Latitude: 314411 Longitude: 1095918

63216 WALNUT GULCH POND TOMBSTONE AZ

Acres: 236.0

Dates of operation: 01/01/66-Present

Latitude: 314455 Longitude: 1095817

63220 WALNUT GULCH POND TOMBSTONE AZ

Acres: 151.0

Dates of operation: 01/01/59-Present

Latitude: 314403 Longitude: 1095655

63223 WALNUT GULCH POND TOMBSTONE AZ

Acres: 115.0

Dates of operation: 01/01/85-Present

Latitude: 314406 Longitude: 1100351

Santa Rita

76001 001 SANTA RITA AZ

Acres: 4.

Dates of operation: 01/01/75-Present

Latitude: 315155 Longitude: 1105120

Rain gage(s): RG000001(1975-90)

76002 002 SANTA RITA AZ

Acres: 4.4

Dates of operation: 01/01/75-Present

Latitude: 315155 Longitude: 1105120

Rain gage(s): RG000002 (1975-90), RG000501(1975-90)

76003 003 SANTA RITA AZ

Acres: 6.8

Dates of operation: 01/01/75-Present

Latitude: 315110 Longitude: 1105432

Rain gage(s): RG000003(1975-90)

76004 004 SANTA RITA AZ

Acres: 4.9

Dates of operation: 01/01/75-Present

Latitude: 315110 Longitude: 1105426

Rain gage(s): RG000004(1975-90)

76005 005 SANTA RITA AZ

Acres: 9.9

Dates of operation: 01/01/75-Present

Latitude: 314910 Longitude: 1105038

Rain gage(s): RG000005(1975-90)

76006 006 SANTA RITA AZ

Acres: 7.6

Dates of operation: 01/01/76-Present

Latitude: 314800 Longitude: 1105038

Rain gage(s): RG000006(1976-90)

76007 007 SANTA RITA AZ

Acres: 2.6

Dates of operation: 01/01/76-Present

Latitude: 314915 Longitude: 1105038

Rain gage(s): RG000507(1976-90)

76008 008 SANTA RITA AZ

Acres: 2.8

Dates of operation: 01/01/76-Present

Latitude: 314920 Longitude: 1105053

Rain gage(s): RG000008 (1976-90), RG000507(1976-90)

Safford

45001 W-I SAFFORD AZ

Acres: 519.3

Dates of operation: 06/01/39-12/31/69

Latitude: 325026 Longitude: 1093130

Rain gage(s): RG000002(1975-90)

Runoff data 1939-69

Topographic map

45002 W-II SAFFORD AZ

Acres: 682.4

Dates of operation: 01/01/39-12/31/69

Latitude: 325020 Longitude: 1100012

Rain gage(s): RG000005(1939-75)

Runoff data 1939-69

Topographic map

45003 W-IV SAFFORD AZ

Acres: 764.

Dates of operation: 01/01/39-12/31/69

Latitude: 323722 Longitude: 1093642

Rain gage(s): RG000011(1939-71)

Runoff data 1939-69

Topographic map

45004 W-V SAFFORD AZ

Acres: 723.

Dates of operation: 01/01/39-12/31/69

Latitude: 322522 Longitude: 1093930

Rain gage(s): RG000014(1939-71)

Runoff data 1939-69

Topographic map

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