Santa Rita Experimental Range
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Photo Station #180


MAR381_1 MAR 1938 1

Photo Archive No. 180.1.1938.03.1

C-221. P.S. 180. Study Area #133, NE corner contour trenching area, 18 inch contours. Rg main grass with approximately 0.01 density. Very badly depleted. Good stand of burroweed. Photo prior to trenching. See C-266. 3/10/38. 301.

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MAR381_2 MAR 1938 1

Photo Archive No. 180.1.1938.03.2

C-266. P.S. 180. Study Area #133. Northeast corner of 18 inch contour furrow area. See C-221. 3/28/38. 301.

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NOV20001 NOV 2000 1

Photo Archive No. 180.1.2000.11

PS 180. November 21, 2000, 10:35 a.m. Facing southwest. Pasture 2S. ASA 125 Plus X film. 35mm lens focal length. About 50 paces west of road 486. Dominant grass is Eragrostis lehmanniana; some Gutierrezia sarothrae; under large mesquite are Muhlenbergia porteri, Digitaria californica and some burroweed. Rocks are on ground surface to right of large mesquite; they were exposed by root-plowing in 1938. M. McClaran.

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