Santa Rita Experimental Range
Repeat Photography



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Photo Station #042.4
Facing South
Azimuth 205



JUN19360 JUN 1936 4

Photo Archive No. 42.4.1936.06

Perm. No. 329057. Temp. No. 2323. Photo Station #42. Located on top of Miner's Hill in the south central part of Pasture 8. Part of panoramic series. Looking south into old Hickory canyon. Taken to show 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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JUN19480 JUN 1948 4

Photo Archive No. 42.4.1948.06

6-48. A48-118. P.S. 42. Repeat of #2323. No apparent change in shrubs. Grass closely grazed but density appears about the same. S.R.E.R. Culley. 10H(3)b.

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SEP19510 SEP 1951 4

Photo Archive No. 42.4.1951.09

P.S. 42. B-51-1. Looking south. 25-42-13-3/4". Repeat of 329057. Bohning, SRER. 7 Sept. 1951.

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SEP19520 SEP 1952 4

Photo Archive No. 42.4.1952.09

P.S. 42. B-52-26. Miner's Hill in Pasture 8. Looking south. 50-45-13 3/4". Repeat of 329057. Bohning, SRER. Sept. 26, 1952.

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JUN19530 JUN 1953 4

Photo Archive No. 42.4.1953.06

P.S. 42. B-53-21. Miner's Hill in Past. 8. Looking to So. 40-45-13 3/4". Repeat of B-52-26. Bohning, SRER. 6/15/53.

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SEP19530 SEP 1953 4

Photo Archive No. 42.4.1953.09

P.S. 42. B-53-61. Miner's Hill in Past. 8. Looking to S. 50-45-13 3/4". Repeat of B-52-26. Bohning, SRER. 9/23/53.

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JUN19540 JUN 1954 4

Photo Archive No. 42.4.1954.06

P.S. 42. B-54-2. Looking south. 50-45-13-3/4. Repeat of B-51-1. Bohning, SRER. 22 June 1954.

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SEP19540 SEP 1954 4

Photo Archive No. 42.4.1954.09

P.S. 42. B-54-46. Miner's Hill, Past. 8, looking south. 100-32-13-3/4". Repeat of B-51-1. Bohning, SRER. 10 Sept. 1954.

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JUN19550 JUN 1955 4

Photo Archive No. 42.4.1955.06

P.S. 42. B-55-24. Miner's Hill in Past. 8, looking south. 1/50-f45. Repeat of B-51-1. Bohning, SRER. 20 June 1955.

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SEP19550 SEP 1955 4

Photo Archive No. 42.4.1955.09

P.S. 42. B-55-72. Miner's Hill in Past. 8, looking to South. 1/50-45-40'. Repeat of B-51-1. Bohning, SRER. 21 Sept 1955.

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JUN19560 JUN 1956 4

Photo Archive No. 42.4.1956.06

B-56-35. 6/26/56. SRER, P.S. 42 to south. Miner's Hill Past. 8. Repeat of B-51-1. (1/50-f.22-25').

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JAN19850 JAN 1985 4

Photo Archive No. 42.4.1985.01

PS 42. Azimuth 205. Jan. 25, 1985. RFB. Honeywell Pentax camera (35mm). 35mm WA lens. f:6.3 1/125 50'. Robert F. Buttery.

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JAN19880 JAN 1988 4

Photo Archive No. 42.4.1988.01

PS-42. Az 205. Jan. 8, 1988. RFB. Canon AE-1, 35mm camera. 35mm WA lens. Robert F. Buttery.

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MAY20004 MAY 2000 4

Photo Archive No. 42.4.2000.05

PS 42. May 15, 2000, 11:45 a.m. Facing south. Azimuth 205. 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. Eragrostis lehmanniana, ocotillo, mesquite, calliandra. M. McClaran.

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042_4_2007_04 APR 2007 4

Photo Archive No. 042.4.2007.04

PS. 042. 20 April 2007. Facing south, Azimuth 205. 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. Cholla far right midground not evident in 2000. Lehmann lovegrass is only perennial grass. Same mesquite as 1936 and new mesquite immediately to right behind rock was possibly in 1956 photo. Ocotillos arrive between 1936 and 1956, many still alive in 2007, but one mortality on far left between 2000 and 2007. Compared to 2000, much less grass, mesquite less vigorous, less ocotillo and less prickly pear; also on top left distant slope, there is less tree cover since 2000 probably because of mortality associated with July 2005 fire. M. McClaran photographer, no assistant.

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042_4_2013_03 MAR 2013 4

Photo Archive No. 042.4.2013.03

PS. 042. 29 March 2013. 10:48 am. Facing southsouthwest, Azimuth 205. 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 (flowering), Krameria present. Prickly pear present. Cholla far right midground not evident in 2000, it is now dead, but a new plant exists behind it. Lehmann lovegrass is dominant perennial grass, and native species are sprucetop grama and sideoats grama (under center, older mesquite). Same mesquite as 1936 and new mesquite immediately to right behind rock was possibly in 1956 photo. Ocotillos arrive between 1936 and 1956, many still alive, and skeleton of plant that died between 2000-2007 is still on the round. Compared to 2007, more grass mass and more grass species, and less prickly pear (plant in center died). M. McClaran photographer, A. Dalke assistant.

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