Santa Rita Experimental Range
Repeat Photography



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Photo Station #042.2
Facing North East
Azimuth 60



JUN19365 JUN 1936 2

Photo Archive No. 42.2.1936.06

Perm. No. 329062. Temp. No. 2328. Photo Station #42. Looking northeast, 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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JUN19485 JUN 1948 2

Photo Archive No. 42.2.1948.06

6-48. A48-123. P.S. 42 repeat of 2328. Little change since last photo in 1941 except for cleared area #196 in the right middle distance. SRER. Culley. 10H(3)b.

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SEP19515 SEP 1951 2

Photo Archive No. 42.2.1951.09

P.S. 42. B-51-6. Looking NE. 25-45-13-3/4". Repeat of 329062. Bohning, SRER. 7 Sept 1951.

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SEP19525 SEP 1952 2

Photo Archive No. 42.2.1952.09

P.S. 42. B-52-31. Miner's Hill in Pasture 8. Looking NE. 40-45-13 3/4". Repeat of 329062. Bohning, SRER. Sept. 26, 1952.

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JUN19535 JUN 1953 2

Photo Archive No. 42.2.1953.06

P.S. 42. B-53-26. Miner's Hill in Past. 8. Looking to East. 50-45-13 3/4". Repeat of B-52-31. Bohning, SRER. 6/15/53.

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SEP19535 SEP 1953 2

Photo Archive No. 42.2.1953.09

P.S. 42. B-53-66. Miner's Hill in Past. 8 looking NE. 50-45-13 3/4". Repeat of B-52-31. Bohning, SRER. 9/23/53.

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JUN19545 JUN 1954 2

Photo Archive No. 42.2.1954.06

P.S. 42. B-54-7. Looking to NE. Repeat of B-51-6. 22 June 1954.

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SEP19545 SEP 1954 2

Photo Archive No. 42.2.1954.09

P.S. 42. B-54-41. Miner's Hill, Past. 8, looking NE. 100-32-13-3/4". Repeat of B-51-6. Bohning, SRER. 10 Sept 1954.

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JUN19555 JUN 1955 2

Photo Archive No. 42.2.1955.06

P.S. 42. B-55-29. Miner's Hill in Past. 8 looking NE. 1/50-P45-45. Repeat of B-51-6. Bohning, SRER. 20 June 1955.

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SEP19555 SEP 1955 2

Photo Archive No. 42.2.1955.09

P.S. 42. B-55-77. Miner's Hill in Past. 8, looking to NE. 1/50-f45-45. Repeat of B-51-6. Bohning, SRER. 21 Sept 1955.

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JUN19565 JUN 1956 2

Photo Archive No. 42.2.1956.06

B-56-40. 6/26/56. SRER, P.S. 42 to northeast. Miner's Hill Past. 8. Repeat of B-51-6. (1/50-f.22-45').

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JAN19855 JAN 1985 2

Photo Archive No. 42.2.1985.01

PS 42. Azimuth 60. Jan. 25, 1985. RFB. Honeywell Pentax camera (35mm). 35 mm WA lens. f:8-11 1/125 20'. Robert F. Buttery.

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JAN19885 JAN 1988 2

Photo Archive No. 42.2.1988.01

PS 42. Az 60. Jan. 8, 1988. RFB. Canon AE-1, 35 mm camera. 35mm WA lens. Robert F. Buttery.

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MAY20002 MAY 2000 2

Photo Archive No. 42.2.2000.05

PS 42. May 15, 2000, 11:45 a.m. Facing northeast. Azimuth 60. 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_2_2007_04 APR 2007 2

Photo Archive No. 042.2.2007.04

PS. 042. 20 April 2007. Facing northeast, Azimuth 060. 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. Foreground mesquite has only one live branch and mesquite immediately left has no live branches; many mesquite from 1936 photo are still present in 2007; and ocotillo not evident in 1936 or 1955 photos. No more evidence of distant mesquite clearing performed in 194? in Study Area 196. Compared to 2000, much less grass, and less live mesquite. M. McClaran photographer, no assistant.

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042_2_2013_03 MAR 2013 2

Photo Archive No. 042.2.2013.03

PS. 042. 29 March 2013. 11:48 am. Facing northeast, Azimuth 050. 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, ocotillo, velvet pod mimosa, and Calliandra present. Prickly pear and barrel cacti present. Lehmann lovegrass is dominant perennial grass, but also includes native species spruce top grama, sideoats grama, cottontop, threeawn, green sprangletop, and Setaria (under mesquite). Foreground mesquite has only one live branch; many mesquite from 1936 photo are still present in 2007; and ocotillo not evident in 1936 or 1955 photos. No more evidence of distant mesquite clearing performed in 1945 in Study Area 196. Compared to 2007, many more native species of grass represented, and less live mesquite. M. McClaran photographer, A. Dalke assistant.

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