Santa Rita Experimental Range
Repeat Photography

Photo Station #069

Photo Archive No. 69.1.1936.07

Permanent No. 344246. Temporary No. 2428. Photo Station 69. About 25 feet from Photo Sta. 68, 200 feet below top of hill along fence line dividing pasture 8 from Forest. Taken 10 feet inside pasture 8 fence. Steep hillside with good cover of old grass and new summer's growth coming on rapidly. Photo by Cribbs, S.R.E.R. 7/23/36. 104-C.

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Photo Archive No. 69.1.1985.09

PS 69. Azimuth 360. Sept. 13, 1985. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery. Not exact field of view as in earlier photo.

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Photo Archive No. 69.1.2000.12

PS 69. December 14, 2000, 12:45 p.m. Facing north. Azimuth 360. Pasture 8. ASA 100 TMAX film. 35mm lens focal length. Matches 1985 photo; 1936 location is approximately 25-30 ft. downslope (SE) from 1985, but not possible to make exact match of 1936 photo. Some sotol in 1985 photo are now dead. Dominant grasses are plains lovegrass, cane beardgrass, sideoats grama. No Lehmann lovegrass in picture but some upslope of view in picture. M. McClaran.

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Photo Archive No. 69.1.2007.04

PS. 069. 16 April 2007. Facing north, Azimuth 000. Elevation 1438 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above. Area burned in July 2005. Six kidneywood plants present, at least two of which we present in 1936 photo. Mimosa biuncifera in right midground is resprout from fire. Desert spoon is more common than Palmer agave. Kidneywood at left distant, top is alive and sprouting from base. Calliandra common. Prickly pear cactus is dead. Sideoats grama, hairy grama, sprangletop common grasses. Goldeneye (Viguiera sp.) dominates herbaceous layer. Compared to 2000, less grass, less agave and prickly pear, more Goldeneye (Viguiera sp.). M. McClaran photographer, M. McMurtry assistant.

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