Santa Rita Experimental Range
Repeat Photography



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Photo Station #229



19021 1902 1

Photo Archive No. 229.1.1902

PS 229. 1902. Griffiths No. 1095. A typical view near our fence line SW of the town of Helvetia.

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SEP19410 SEP 1941 1

Photo Archive No. 229.1.1941.09

A-1951. Photo Sta. No. 229. Retake of Photo No. 1095 originally taken by Griffiths about 1902. Mesquite shows an appreciable increase, while grass cover does not seem to have changed very greatly. Present cover consists of a good stand of mixed perennial grasses and calliandra. (5x7) Sept. 1941. 104. NOTE: Photos A-1949 and A-1950 also archived under this number but not included on the web page are the same view. A-1950 was taken with a WA lens.

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JUN19480 JUN 1948 1

Photo Archive No. 229.1.1948.06

6-48. A48-102. P.S. 229 repeat of A1950. Grass density may have decreased slightly, however, main difference is that area is very closely grazed and dry until much of grass density is probably dead from drought. Pve increase noticeable in spots. Reg. lens. SRER. Culley. 10H(3)b.

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NOV19500 NOV 1950 1

Photo Archive No. 229.1.1950.11

11/50. R-228. Santa Rita Exp. Range, Arizona. Repeat of Photo station 229. H.G. Reynolds. 10H(3)b. NOTE: Photo R-229 also archived under this number but not included on the web page is the same view.

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JUL19511 JUL 1951 1

Photo Archive No. 229.1.1951.07.1

July 1951. R-268. Santa Rita Experimental Range. Repeat of photopoint 229. Summer growth not yet started. H.G. Reynolds. 10H(3)b.

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JUL19520 JUL 1951 1

Photo Archive No. 229.1.1951.07.2

7/28/51. R-303. Santa Rita Experimental Range. Repeat of photo station 229 at end of grazing season. H.G. Reynolds. 10H(3)b.

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SEP19520 SEP 1952 1

Photo Archive No. 229.1.1952.09

P.S. 229. B-52-13. Pasture 6A near Ruelas Ranch Hdqts. Looking N. 50-f45-13 3/4". Repeat of A-1950. Bohning, SRER. 19 Sept. 1952.

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JUN19530 JUN 1953 1

Photo Archive No. 229.1.1953.06

P.S. 229. B-53-15. Past. 6A on Upper Helvetia Rd. Looking to North. 30-45-13 3/4". Repeat of A1950. Bohning, SRER. 12 June 1953.

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SEP19530 SEP 1953 1

Photo Archive No. 229.1.1953.09

P.S. 229. B-53-59. Past. 6A on Upper Helvetia Rd. Looking to North. 30-45-13 3/4". Repeat of A1950. Bohning, SRER. 15 Sept. 1953.

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JUN19540 JUN 1954 1

Photo Archive No. 229.1.1954.06

P.S. 229. B-54-26. Past. 6A at fence into Past. 7. Looking North. 35-32-13 3/4". Repeat of A1950 and A-48-102. Bohning, SRER. 23 June 1954.

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SEP19540 SEP 1954 1

Photo Archive No. 229.1.1954.09

P.S. 229. B-54-62. Past. 6A near Past. 7 fence, looking north. 50-45-13 3/4". Repeat of A-48-102 or A-1950. Bohning, SRER. 10 Sept. 54.

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JUN19550 JUN 1955 1

Photo Archive No. 229.1.1955.06

P.S. 229. B-55-6. Past. 6A on upper Helvetia Rd. Looking North. 1/50-f45-45'. Repeat of A-1950. Bohning, SRER. 20 June 1955.

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SEP19550 SEP 1955 1

Photo Archive No. 229.1.1955.09

P.S. 229. B-55-58. Past. 6A on upper Helvetia Rd. looking North. 1/50-f45-35'. Repeat of A-48-102. Bohning, SRER. 19 Sept. 1955.

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JUN19560 JUN 1956 1

Photo Archive No. 229.1.1956.06

B-56-17. 6/20/56. SRER. P.S. 229 to north. Past. 6A. Repeat of A-1950 (1/50-f.22-30').

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NOV19560 NOV 1956 1

Photo Archive No. 229.1.1956.11

B-56-152. 11/6/56. SRER, P.S. 229 to north. Past. 6A. Repeat of A-1950 (1/50-f.22-35').

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JUL19870 JUL 1987 1

Photo Archive No. 229.1.1987.07

PS 229. Azimuth 6. July 24, 1987. RFB. Canon AE-1 35mm camera. 35mm WA lens. Robert F. Buttery.

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APR20001 APR 2000 1

Photo Archive No. 229.1.2000.04

PS 229. April 21, 2000, 10:30 a.m. Facing north. Azimuth 6. Pasture 6A. Plus X, ASA 125 film. 35mm lens focal length. No witness; rebar stake placed, about 20' east of small water tank, below crest of hill. Photo taken about 20' south of presumed 1987 spots; i.e., back to original spot. Yucca of 1987 photo carcass present. Mesquite; dominant grass Eragrostis lehmanniana. Eriogonum wrightii; some Bouteloua hirsuta, Calliandra eriophylla, and few Mimosa dysocarpa. Several homes in Helvetia now apparent. M. McClaran.

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229_1_2007_04 APR 2007 1

Photo Archive No. 229.1.2007.04

PS. 229. 02 April 2007. Facing north, Azimuth 006. Pasture 6A. Elevation 1326 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. No witness, but rebar near soil surface surrounded by rock cairn, 8 m northeast of metal water trough, camera above. Mesquite alive. Calliandra flowering, velvet pod mimosa, shrubby buckwheat under large mesquite. Agave palmeri common. Prickly pear and cholla cacti. Ocotillo in distant left. Lehmann lovegrass only grass. View of water line buried next to road. Compared to 2000, less grass, more prickly pear, and recent pipeline construction. M. McClaran photographer, C. McMurtry assistant.

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229_1_2011_03 MAR 2011 1

Photo Archive No. 229.1.2011.03

PS. 229. 16 March 2011. 3:20 PM. Facing north, Azimuth 15. Pasture 6A. Elevation 1324 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. No witness, but rebar near soil surface (1.5 inches tall) and no paint applied, 8 m northeast of metal water trough, camera above. Mesquite alive. Calliandra, velvet pod mimosa, shrubby buckwheat, Agave palmeri common. Prickly pear and cholla cacti. Ocotillo in distant left. Lehmann lovegrass and one sideoats plant. View of water line buried next to road. Compared to 2007, more grass and sideoats now present; and one more agave. M. McClaran photographer, A. Dalke assistant.

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SEP19411 SEP 1941 2

Photo Archive No. 229.2.1941.09

A-1952. Photo Sta. No. 229. Looking northeast toward Helvetia across north end of Pasture 7. Good stand of mixed perennial grasses covers entire north end of Pasture 7. (5x7) Sept. 1941. Taken w/WA lens. 104.

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JUN19481 JUN 1948 2

Photo Archive No. 229.2.1948.06

6-48. A48-103. P.S. 229 repeat of 1952 except with regular lens. Not much change apparent except range is closely grazed and much of grass density appears dead from drought. SRER. Culley. 10H(3)b.

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SEP19521 SEP 1952 2

Photo Archive No. 229.2.1952.09

P.S. 229. B-52-14. Looking E. 50-45-13 3/4". Repeat of A1952. Bohning, SRER. 19 Sept. 1952.

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JUN19531 JUN 1953 2

Photo Archive No. 229.2.1953.06

P.S. 229. B-53-16. Past. 6A on Upper Helvetia Rd. Looking east into Past. 7. 30-45-13 3/4". Repeat of A1952. Bohning, SRER. 12 June 1953.

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SEP19531 SEP 1953 2

Photo Archive No. 229.2.1953.09

P.S. 229. B-53-60. Past. 6A on Upper Helvetia Rd. Looking east into Past. 7. 30-45-13 3/4". Repeat of A1952. Bohning, SRER. 15 Sept. 1953.

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JUN19541 JUN 1954 2

Photo Archive No. 229.2.1954.06

P.S. 229. B-54-27. Past. 6A across fence into Past. 7. Looking east. 35-32-13 3/4". Repeat of A-1952 and A-48-103. Bohning SRER. 23 June 1954.

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SEP19541 SEP 1954 2

Photo Archive No. 229.2.1954.09

P.S. 229. B-54-63. Past. 7 looking to east. 45-45-13 3/4". Repeat of A-48-103. Bohning, SRER. 10 Sept. 54.

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JUN19551 JUN 1955 2

Photo Archive No. 229.2.1955.06

P.S. 229. B-55-7. Past. 6A on upper Helvetia Rd. looking NE. 1/50-f45-75'. Repeat of A-1952. Bohning, SRER. 20 June 1955.

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SEP19551 SEP 1955 2

Photo Archive No. 229.2.1955.09

P.S. 229. B-55-59. Past. 6A on upper Helvetia Rd. Looking east into Past. 7. 1/50-f45-50'. Repeat of A-48-103. Bohning, SRER. 19 Sept. 1955.

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JUN19561 JUN 1956 2

Photo Archive No. 229.2.1956.06

B-56-18. 6/20/56. SRER. P.S. 229 to northeast, Past. 7. Repeat of A-1952 (1/50-f.22-50').

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NOV19561 NOV 1956 2

Photo Archive No. 229.2.1956.11

B-56-153. 11/6/56. SRER, P.S. 229 to east, past. 7. Repeat of A-1952 91/50-f.22-60').

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JUL19871 JUL 1987 2

Photo Archive No. 229.2.1987.07

PS 229. Azimuth 60. July 24, 1987. RFB. Canon AE-1 35mm camera. 35mm WA lens. Robert F. Buttery.

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APR20002 APR 2000 2

Photo Archive No. 229.2.2000.04

PS 229. April 21, 2000, 10:30 a.m. Facing northeast. Azimuth 60. Pasture 6A. Plus X, ASA 125 film. 35mm lens focal length. No witness; rebar stake placed, about 20' east of small water tank, below crest of hill. Heavy disturbance in foreground.

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229_2_2007_04 APR 2007 2

Photo Archive No. 229.2.2007.04

PS. 229. 02 April 2007. Facing northeast, Azimuth 60. Pasture 6A. Elevation 1326 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. No witness, but rebar near soil surface surrounded by rock cairn, 8 m northeast of metal water trough, camera above. Mesquite alive. Calliandra flowering, velvet pod mimosa, Agave palmeri, Dasylirion and ocotillo common. Prickly pear, barrel and Mammalaria cacti. Lehmann lovegrass dominant, also black grama. Poppies in bloom. Bucket is supplemental feed and beyond that is ocotillo with branches shot off with shotgun. Compared to 2000, more prickly pear. M. McClaran photographer, C. McMurtry assistant.

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229_2_2011_03 MAR 2011 2

Photo Archive No. 229.2.2011.03

PS. 229. 16 March 2011. 3:25 PM. Facing northeast, Azimuth 65. Pasture 6A. Elevation 1326 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. No witness, but rebar near soil surface (1.5 inches tall) and no paint applied, 8 m northeast of metal water trough, camera above. Mesquite alive. Calliandra, velvet pod mimosa, Agave palmeri, Dasylirion, and ocotillo common. Prickly pear, barrel and Mammalaria cacti; kidneywood beneath front ocotillo. Lehmann lovegrass dominant. Compared to 2007, more grass; prickly pear in poor condition. M. McClaran photographer, A. Dalke assistant.

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Last updated - April 2011
Mitchel McClaran - mcclaran@u.arizona.edu