Santa Rita Experimental Range
Repeat Photography



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Photo Station #042.7
Facing North West
Azimuth 336



JUN19363 JUN 1936 7

Photo Archive No. 42.7.1936.06

Perm. No. 329060. Temp. No. 2326. Photo Station #42. Looking northwest toward the Tucson Mts showing distribution and abundance of mesquite at the present time. 1-32-8"-A-CP. Photo by Cribbs, S.R.E.R. 6/16/36. 104-C.

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JUN19483 JUN 1948 7

Photo Archive No. 42.7.1948.06

6-48. A48-121. P.S. 42 repeat of 2326. Little change since last photo in 1941. SRER. Culley. 10H(3)b.

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JUL19513 JUL 1951 7

Photo Archive No. 42.7.1951.07

7/28/51. R-304. S.R.E.R. Repeat of photo station 42 at end of grazing season. H.G. Reynolds. 10H(3)b.

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SEP19513 SEP 1951 7

Photo Archive No. 42.7.1951.09

P.S. 42. B-51-4. Looking NW. 50-32-13-3/4". Repeat of 329060. Bohning, SRER. 7 Sept 1951.

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SEP19523 SEP 1952 7

Photo Archive No. 42.7.1952.09

P.S. 42. B-52-29. Miner's Hill in Pasture 8. Repeat of 329060. Bohning, SRER. Sept. 26, 1952.

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JUN19533 JUN 1953 7

Photo Archive No. 42.7.1953.06

P.S. 42. B-53-24. Miner's Hill in Past. 8. Looking to N-West. 50-45-13 3/4". Repeat of B-52-29. Bohning, SRER. 6/15/53.

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SEP19533 SEP 1953 7

Photo Archive No. 42.7.1953.09

P.S. 42. B-53-64. Miner's Hill in Past 8 looking to NW. 50-45-13 3/4". Repeat of B-52-29. Bohning, SRER. 9/23/53.

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JUN19543 JUN 1954 7

Photo Archive No. 42.7.1954.06

P.S. 42. B-54-5. Looking to N W. 50-45-13-3/4. Bohning, SRER. 22 June 1954.

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SEP19543 SEP 1954 7

Photo Archive No. 42.7.1954.09

P.S. 42. B-54-43. Miner's Hill, Past. 8, looking NW. 100-32-13-3/4". Repeat of B-51-4. Bohning, SRER. 10 Sept 1954.

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JUN19553 JUN 1955 7

Photo Archive No. 42.7.1955.06

P.S. 42. B-55-27. Miner's Hill in Past. 8, looking NW. 1/50-f45-40'. Repeat of B-51-4. Bohning, SRER. 20 June 1955.

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SEP19553 SEP 1955 7

Photo Archive No. 42.7.1955.09

P.S. 42. B-55-75. Miner's Hill in Past 8, looking to NW. 1/50-f45-35'. Repeat of B-51-4. Bohning, SRER. 21 Sept 1955.

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JUN19563 JUN 1956 7

Photo Archive No. 42.7.1956.06

B-56-38. 6/26/56. SRER, P.S. 42 to northwest. Miner's Hill Past. 8. Repeat of B-51-4. (1/50-f.22-25').

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JAN19853 JAN 1985 7

Photo Archive No. 42.7.1985.01

PS 42. Azimuth 336. Jan. 25, 1985. RFB. Honeywell Pentax camera (35mm). 35mm WA lens. f:8-11 1/125 20'. Robert F. Buttery.

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JAN19883 JAN 1988 7

Photo Archive No. 42.7.1988.01

PS-42. Az 336. Jan. 8, 1988. RFB. Canon AE-1, 35mm camera. 35mm WA lens. Robert F. Buttery.

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MAY20007 MAY 2000 7

Photo Archive No. 42.7.2000.05

PS 42. May 15, 2000, 11:45 a.m. Facing northwest. Azimuth 336. Pasture 8. ASA 135, Plus X film. 35mm lens focal length. On top of Miner's Hill near headquarters; northwest of the disintegrating "structure"; no post present; no marker placed this year - not necessary. M. McClaran.

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042_7_2007_04 APR 2007 7

Photo Archive No. 042.7.2007.04

PS. 042. 20 April 2007. Facing west northwest, Azimuth 336. Pasture 8. Elevation 1286 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. No witness, cairn built, painted white, camera above. Blade of former witness post is present next to cairn. Matches all photo directions very well. Mesquite, catlcaw acacia, ocotillo, Calliandra, Krameria present. Prickly pear present. Lehmann lovegrass is only perennial grass. Probably some of the same mesquite plants as 1936 photo, ocotillo arrives by 1955 photos. Compared to 2000, much less grass, more prickly pear, mesquite less vigorous. M. McClaran photographer, no assistant.

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042_7_2013_03 MAR 2013 7

Photo Archive No. 042.7.2013.03

PS. 042. 29 March 2013. 11:34 am. Facing west northwest, Azimuth 345. Pasture 8. Elevation 1284 m. ISO 160, 35mm focal length, Canon 5D Digital Camera. No witness, cairn built, painted white, camera above. Blade of former witness post is present next to cairn. Matches all photo directions very well. Mesquite, catlcaw acacia, ocotillo, Calliandra, Krameria and velvet pod mimosa present. Prickly pear present. Agave plant left midground. Lehmann lovegrass is dominant perennial grass, and sprucetop grama and cottontop present. Some of the same mesquite plants as 1936 photo, ocotillo arrives by 1955 photos. Compared to 2007, more grass and grass species; and more prickly pear patches. M. McClaran photographer, A. Dalke assistant.

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Last updated - June 2013
Mitchel McClaran - mcclaran@u.arizona.edu