Santa Rita Experimental Range
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Photo Station #254



JUL19480 JUL 1948 1

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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OCT19860 OCT 1986 1

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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APR20001 APR 2000 1

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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254_1_2007_03 MAR 2007 1

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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254_1_2011_03 MAR 2011 1

Photo Archive No. 254.1.2011.03

PS. 254. 14 March 2011. 2:30 AM. Facing east, Azimuth 80. Pasture 2N. Elevation 1147 m. ISO 100, 35mm focal length, Canon 5D Mark II 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. Small cholla and small burroweed at bottom of picture. Bush muhly, Setaria and cottontop under mesquite. Black grama and a few Rothrock grama in open areas. Some dead burroweed, and live burroweed in poor condition. Compared to 2007, now more grass, one Lehmann lovegrass present, and a few Rothrock grama present. Also, Sporobolus cryptandrus present under mesquite on right middle distance in front of road 486. M. McClaran photographer, A. Dalke assistant.

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Last updated - April 2011
Mitchel McClaran - mcclaran@u.arizona.edu