Santa Rita Experimental Range
Repeat Photography

Photo Station #337

Photo Archive No. 337.1.1935.07

PS. 337. 15 July 1935. General view from NE Corner. Mesquite area at Rodent showing area where brush was scattered. Photo by Cribbs and Glendening. Perm. No. 328762.

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Photo Archive No. 337.1.1960.02

PS. 337. 03 February 1960. Retake of WO-328762 from NE corner of Study area 103.

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Photo Archive No. 337.1.2003.04

PS. 337. 11 April 2003. Facing south. Film ASA 100 Plus X, 35mm focal length, Olympus OM-1 Camera. Negatives 10-12. M649 from 1960 appears to match with this view. Dry conditions. Dominant grass is Lehmann lovegrass. Some burroweed. No new mesquite leaves yet, all visible leaves are from 2002. M. McClaran photographer, S. McClaran assistant.

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Photo Archive No. 337.1.2007.03

PS. 337. 21 March 2007. Facing south, Azimuth 180. Pasture 2SW. Study Area 103. Elevation 1094 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Northeast corner post of Study Area 103, camera above. Mesquite alive. More than half of burroweed plants are dead. Barrel, prickly pear, cholla cacti. Lehmann lovegrass dominates open areas, also threeawns, cottontop, bush muhly, Boer’s lovegrass. Under mesquite find Setaria, bush muhly, and cottontop grasses. Windy and cloudy conditions. Compared to 2003, less grass and burroweed, and a dead barrel cactus now. M. McClaran photographer, A. Nafus assistant.

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Photo Archive No. 337.1.2010.03

PS 337. 16 March 2010 11:15 AM. Facing southwest, Azimuth 225. Pasture 2SW. Study Area 103. Elevation 1092 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Northeast corner post of Study Area 103, camera above. Mesquite alive. Very few live burroweed plants. Barrel, prickly pear, cholla cacti. Lehmann lovegrass dominates open areas, also threeawns, cottontop, bush muhly, Boer’s lovegrass. Under mesquite find Setaria, bush muhly, and cottontop grasses. Windy conditions. Compared to 2007, less grass and burroweed, prickly size increases, and additional cholla in foreground. M. McClaran photographer, A. Dalke assistant.

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Photo Archive No. 337.2.1935.07

PS. 337. 16 October 1935. General view. P5. Photo by Cribbs and Glendening. Perm. No. 328944.

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Photo Archive No. 337.2.2003.04

PS. 337. 11 April 2003. Facing southwest. Film ASA 100 Plus X, 35mm focal length, Olympus OM-1 Camera. Negatives 8-9. Dry conditions. Dominant grass is Lehmann lovegrass. Some burroweed. No new mesquite leaves yet, all visible leaves are from 2002. M. McClaran photographer, S. McClaran assistant.

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Photo Archive No. 337.2.2007.03

PS. 337. 21 March 2007. Facing southwest, Azimuth 225. Pasture 2SW. Study Area 103. Elevation 1094 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Northeast corner post of Study Area 103, camera above. Mesquite alive. More than half of burroweed plants are dead. Barrel, prickly pear, cholla cacti. Lehmann lovegrass dominates open areas, also threeawns, cottontop, bush muhly, Boer’s lovegrass. Under mesquite find Setaria, bush muhly, and cottontop grasses. Windy and cloudy conditions. Compared to 2003, less grass and burroweed, and a dead barrel now. M. McClaran photographer, A. Nafus assistant.

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Photo Archive No. 337.2.2010.03

PS 337. 16 March 2010 10:50 AM. Facing southwest, Azimuth 235. Pasture 2SW. Study Area 103. Elevation 1092 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Northeast corner post of Study Area 103, camera above. Mesquite alive. Very few live burroweed plants. Barrel, prickly pear, cholla cacti. Lehmann lovegrass dominates open areas, also threeawns, cottontop, bush muhly, Boer’s lovegrass. Under mesquite find Setaria, bush muhly, and cottontop grasses. Windy conditions. Compared to 2007, less grass and burroweed, prickly size increases, and additional cholla in foreground. M. McClaran photographer, A. Dalke assistant.

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