Santa Rita Experimental Range
Repeat Photography

Photo Station #254

Photo Archive No. 254.1.1948.07

7-48. A48-157. P.S. 254 repeat of Forbes' photo 485. Forty feet on the W. side of the road about 75 yds N. of the power line. Last photo by Cribbs. Grass stand seems to have decreased. Afr shows increase along with cacti. SRER. Culley. 10H(3)b.

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Photo Archive No. 254.1.1986.10

PS 254. Azimuth 90. Oct. 23, 1986. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery.

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Photo Archive No. 254.1.2000.04

PS 254. April 21, 2000, 11:30 a.m. Facing east. Azimuth 90. Pasture 2S. Plus X, ASA 125 film. 35mm lens focal length. Witness present, but tag missing (wire intact). Did NOT burn in 1994. Mesquites, haplopappus tenuisectus. Muhlenbergia porteri, Digitaria californica, and Setaria macrostachya under trees. Bouteloua rothrockii and Eragrostis lehmanniana in open. M. McClaran.

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Photo Archive No. 254.1.2007.03

PS. 254. 9 March 2007. Facing east, Azimuth 90. Pasture 2N. Elevation 1156 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness in place, 30 m west of Road 486 (on east side of large mesquite). Camera above witness. Mesquite alive, burroweed and prickly pear present. Bush muhly, Setaria and cottontop under mesquite. Black grama in open areas. Some dead burroweed. Compared to 2000, now slightly less grass, no Lehmann lovegrass or Rothrock grama, and dead burroweed. M. McClaran photographer, no assistant.

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