Santa Rita Experimental Range
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Photo Station #119



AUG19360 AUG 1936 1

Photo Archive No. 119.1.1936.08

Permanent No. 344257. Temporary No. 2439. Photo Station #119. Whitehouse Canyon road, 1/8 mile south of bridge. 150 yards east to first draw. Small draw with well-grassed slope, slender and sideoats gramas being the principal grasses. In the bottom of the draw mesquite and mimosa shrubs are effectively preventing erosion. Photograph taken in pasture 8. Photo by Cribbs, S.R.E.R. 8/25/36. 104-C.

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APR19880 APR 1988 1

Photo Archive No. 119.1.1988.04

PS-119. Azimuth 188. April 12, 1988. RFB. Canon AE-1 camera. 35mm WA lens. Robert F. Buttery. Not exact field of view as in earlier photo.

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MAY20001 MAY 2000 1

Photo Archive No. 119.1.2000.05

PS 119. May 17, 2000, 2:04 p.m. Facing south. Azimuth 188. Pasture 4. ASA 135, Plus X film. 35mm lens focal length. Marked post on edge of actively-cutting wash. Photo taken 10' north of post. Large shrubs in wash are Baccharis and Celtis. Two mimosa at fencepost. Under tree are sideoats, Eragrostis lehmanniana, Boer's lovegrass, graythorn. Two small mesquite behind large mesquite in 1936 photo, one alive, one dead. M. McClaran.

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119_1_2007_03 MAR 2007 1

Photo Archive No. 119.1.2007.03

PS. 119. 26 March 2007. Facing south, Azimuth 188. Pasture 4. Elevation 1135 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, and in photo view, camera about 5 m north of witness. Mesquite alive leaves beginning to emerge. Foreground shrubs velvet pod mimosa, Lycium, desert broom and turpentine (?) under mesquite. East of wash find catclaw acacia. Calliandra present, leaves and flowers emerging. Lehmann lovegrass, sideoats grama, cane beardgrass and a few green sprangletop. Under mesquite find cottontop, Boer’s lovegrass, sideoats grama and Lehmann lovegrass. No evidence of 2005 fire. Compared to 2000, velvet pod mimosa larger now. M. McClaran photographer, M. McGregor assistant.

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119_1_2010_03 MAR 2010 1

Photo Archive No. 119.1.2010.03

PS. 119. 17 March 2010 11:40 AM. Facing south, Azimuth 190. Pasture 4. Elevation 1124 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, and camera one feet east. The retake in 2007 was not correctly located. Mesquite alive. Foreground shrubs velvet pod mimosa, Lycium, desert broom, zizyphus and turpentine bush under mesquite. East of wash find catclaw acacia and canyon hackberry. Calliandra present. Lehmann lovegrass, sideoats grama, cane beardgrass. Under mesquite find cottontop, Boer’s lovegrass, sideoats grama and Lehmann lovegrass. No evidence of 2005 fire. Distant mesquite on far left was alive in 1936 photo and is still alive. One small mesquite behind large mesquite in 1936 is still alive; but, the other small mesquite behind the large one in 1936 is now dead. Compared to 2007, no spangletop plants present, and less grass on slopes above. M. McClaran photographer, A. Dalke assistant.

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Last updated - May 2010
Mitchel McClaran - mcclaran@u.arizona.edu