Santa Rita Experimental Range
Repeat Photography

Photo Station #127

Photo Archive No. 127.1.1937.03

Permanent No. 344395. Temporary No. 2701. Photo Sta. No. 127. Looking south-south-west and to compare with No. 2700. Wide sloping mesa across the road from 2700. Showing only a few scattered mature burroweed plants and no reproduction. Mesquite is dense along wash in the background but only scattered on the rest of this mesa. Grass density is .1-.15 of Ad, Rg, and Bf. Soil is loose and not eroded. This is at the upper limit of burroweed at the present. Area not to be cleared. Photo by Cribbs, S.R.E.R. 3/4/37. 400-B.

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Photo Archive No. 127.1.1948.06

6-48. A48-39. P.S. 127--repeat looking S. Mesquite has increased greatly in size since 1937 and in the distance probably in numbers also. Grass stand appears about the same although more coarse grass is coming into the area. Not much change in burroweed. SRER. Culley. 10H(3)b.

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Photo Archive No. 127.1.1952.08

P.S. 127. B-52-1. Study area 107 near Foothill Tank. Repeat of 344395. Aug. 6, 1952.

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Photo Archive No. 127.1.1985.07

PS 127. Azimuth 215. July 17, 1985. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Taken approximately 22' from PS on Azimuth 215. Robert F. Buttery.

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Photo Archive No. 127.1.2000.04

PS 127. April 24, 2000, 1:30 p.m. Facing southwest. Azimuth 215. Pasture 21. ASA 135, Plus X film. 35mm lens focal length. South of road - unmarked by rebar; fence post on road edge; 30' south of road beyond trees. Burroweed died back; foreground mesquite present in 1985 photo. Large mesquite alive, beginning to leaf out. Eragrostis lehmanniana dominant grass. Muhlenbergia porteri and Digitaria californica under mesquite. M. McClaran.

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