Santa Rita Experimental Range
Repeat Photography

Photo Station #252

Photo Archive No. 252.1.1948.07

7-48. A48-155. P.S. 252 first photo 50 feet west of the road to the Red tank about half way up from Helvetia road. Near quadrat WD 19. Looking NW. Fair stand of grass Ber, Agl, Hco, and others. Heavy growth of Afr and Pve. SRER. Culley. 10H(3)b.

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Photo Archive No. 252.1.1960.08

T-283. 4 Aug 60. SRER, P.S. 252. 10H3b.

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Photo Archive No. 252.1.1987.07

PS 252. Azimuth 348. July 24, 1987. RFB. Canon AE-1 35mm camera. 35mm WA lens. Robert F. Buttery.

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Photo Archive No. 252.1.2000.06

PS 252. June 9, 2000, 3:00 p.m. Facing north. Azimuth 348. Pasture 6A. Plus X, ASA 125 film. 35mm lens focal length. Fencepost present and marked; NNW across wash from Red Tank along cattle trail approx. 0.25 mi. from Red Tank. Two catclaw in foreground. Lehmann lovegrass; burroweed. At a distance in center of old photos is graythorn, now surrounded by catclaw. Graythorn is smaller than in earlier photos. M. McClaran.

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