Santa Rita Experimental Range
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Photo Station #179


MAR3811 MAR 1938 1

Photo Archive No. 179.1.1938.03.1

C-220. Photo Station 179, Study Area #133, SE corner contour trenching area, 18 inch contours. Rg main grass with density of approximately 0.03. Photo prior to trenching. See C-257. 3/10/38. 301.

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MAR3812 MAR 1938 1

Photo Archive No. 179.1.1938.03.2

C-257. P.S. 179. Study Area #133, SE corner of 18 inch contour terraces. See C-220. 3/28/38. 301.

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SEP19871 SEP 1987 1

Photo Archive No. 179.1.1987.09

PS-179. Azimuth 272. Sept. 22, 1987. RFB. Canon AE-1 camera. 35mm WA lens. Robert F. Buttery.

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NOV20001 NOV 2000 1

Photo Archive No. 179.1.2000.11

PS 179. November 21, 2000, 11:15 a.m. Facing west. Azimuth 272. Pasture 2S. ASA 125 Plus X film. 35mm lens focal length. Zizyphus on left remains from 1938 photos. Eragrostis lehmanniana is dominant grass; burroweed and snakeweed are present; Mimosa dysocarpa in front of Zizyphus. Setaria, Digitaria californica under Zizyphus and Mimosa; Muhlenbergia porteri under mesquite behind Zizyphus; some calliandra in open areas, about 15 paces west of road 486. M. McClaran.

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Last updated - 12 January 2001
Mitchel McClaran - mcclaran@u.arizona.edu