Santa Rita Experimental Range
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Photo Station #042.5
Facing South West
Azimuth 250



JUN19361 JUN 1936 5

Photo Archive No. 42.5.1936.06

Perm. No. 329058. Temp. No. 2324. Photo Station #42. Looking westerly across pasture 19, 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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JUN19481 JUN 1948 5

Photo Archive No. 42.5.1948.06

6-48. A48-119. P.S. 42 repeat of 2324. Little apparent change since last photo in 1941. SRER. Culley. 10H(3)b.

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SEP19511 SEP 1951 5

Photo Archive No. 42.5.1951.09

P.S. 42. B-51-2. Looking SW. 25-45-13-3/4". Repeat of 329058. Bohning, SRER. 7 Sept 1951.

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SEP19521 SEP 1952 5

Photo Archive No. 42.5.1952.09

P.S. 42. B-52-27. Miner's Hill in Pasture 8. Looking SW. 50-45-13 3/4". Repeat of 329058. Bohning, SRER. Sept. 26, 1952.

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JUN19531 JUN 1953 5

Photo Archive No. 42.5.1953.06

P.S. 42. B-53-22. Miner's Hill in Pasture 8. Looking to SW. 40-45-13 3/4". Repeat of B-52-27. Bohning, SRER. 6/15/53.

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SEP19531 SEP 1953 5

Photo Archive No. 42.5.1953.09

P.S. 42. B-53-62. Miner's Hill in Pasture 8 looking SW. 50-45-13 3/4". Repeat of B-52-27. Bohning, SRER. 9/23/53.

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JUN19541 JUN 1954 5

Photo Archive No. 42.5.1954.06

P.S. 42. B-54-3. Looking to SW. 50-45-13 3/4". Repeat of B-51-2. Bohning, SRER. 22 June 1954.

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SEP19541 SEP 1954 5

Photo Archive No. 42.5.1954.09

P.S. 42. B-54-45. Miner's Hill, Past. 8, looking SW. 100-32-13-3/4". Repeat of B-51-2. Bohning, SRER. 10 Sept. 1954.

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JUN19551 JUN 1955 5

Photo Archive No. 42.5.1955.06

P.S. 42. B-55-25. Miner's Hill in Past. 8. Looking SW. 1/50-f45-40. Repeat of B-51-2. Bohning, SRER. 20 June 1955.

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SEP19551 SEP 1955 5

Photo Archive No. 42.5.1955.09

P.S. 42. B-55-73. Miner's Hill in Past. 8. Looking SW. 1/50-f45-50. Repeat of B-51-2. Bohning, SRER. 21 Sept 1955.

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JUN19561 JUN 1956 5

Photo Archive No. 42.5.1956.06

B-56-36. 6/26/56. SRER, P.S. 42 to southwest. Miner's Hill Past. 8. Repeat of B-51-2. (1/50-f.22-25').

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JAN19851 JAN 1985 5

Photo Archive No. 42.5.1985.01

PS 42. Azimuth 250. Jan. 25, 1985. RFB. Honeywell Pentax camera (35mm). 35mm WA lens. f:8-11 1/125 20'. Robert F. Buttery.

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JAN19881 JAN 1988 5

Photo Archive No. 42.5.1988.01

PS-42. Az 250. Jan. 8, 1988. RFB. Canon AE-1, 35mm camera. 35mm WA lens. Robert F. Buttery.

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MAY20005 MAY 2000 5

Photo Archive No. 42.5.2000.05

PS 42. May 15, 2000, 11:45 a.m. Facing southwest. Azimuth 250. 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. Cottontop under ocotillo. M. McClaran.

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042_5_2007_04 APR 2007 5

Photo Archive No. 042.5.2007.04

PS. 042. 20 April 2007. Facing southwest, Azimuth 250. 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. Lehmann lovegrass is only perennial grass. Ocotillo present in 1936 is now behind mesquite on left, but far right ocotillo probably older than 1936 but it was out of 1936 view and therefore no confirmation. Mesquite foreground left not obvious in 1936 photo, but present in 1956 photo. Prickly pear present. Compared to 2000, much less grass. M. McClaran photographer, no assistant.

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042_5_2013_03 MAR 2013 5

Photo Archive No. 042.5.2013.03

PS. 042. 29 March 2013. 11:01 am. Facing southwest, Azimuth 255. Pasture 8. Elevation 1284 m. ISO 160, 35mm focal length, Canon 5D Mark II 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. Far right branch of foreground mesquite is dead, but remains attached. Lehmann lovegrass is dominant perennial grass, and sprucetop, sideoats, cottontop present. Ocotillo present in 1936 is now behind mesquite on left, but far right ocotillo probably older than 1936 but it was out of 1936 view and therefore no confirmation. Mesquite foreground left not obvious in 1936 photo, but present in 1956 photo. Prickly pear present and patches larger in size. ainbow cactus behind ocotillo patch on the right. Compared to 2007, more grass and more grass species; prickly pear patches are larger. M. McClaran photographer, A. Dalke assistant.

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