Santa Rita Experimental Range
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Photo Station #221



19021 1902 1

Photo Archive No. 221.1.1902

PS 221. 1902. Griffiths No. 1067. Proctor Canon, looking Northwest from a point about one mile below Proctor. Stone's sheep camp is shown in the middle of the foreground. The shrubbery in the canon consists mainly of Mesquite, Cats-claw and Palo verde.

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SEP19410 SEP 1941 1

Photo Archive No. 221.1.1941.09

A-1888. Photo Sta. No. 221. Retake of Photo No. 1067 originally taken by Griffiths about 1902. Some increase in shrub growth in canyon bottoms is evident. Ground cover appears equally good and of better quality now than in the early photo. Sheep camp and bedground in canyon bottom indicate use of area by sheep in early days. (5x7) Sept. 1941.

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SEP19510 SEP 1951 1

Photo Archive No. 221.1.1951.09

PS. 221. B-51-32. Looking down Box Canyon. 50-32-13 3/4". Repeat of Griffith 1067. Bohning, SRER. 25 Sept. 1951.

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AUG19600 AUG 1960 1

Photo Archive No. 221.1.1960.08

T-280. 5 Aug 60. SRER, P.S. 221. 10H3b.

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NOV19860 NOV 1986 1

Photo Archive No. 221.1.1986.11

PS 221. Azimuth 295. Nov. 26, 1986. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery.

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JUN20001 JUN 2000 1

Photo Archive No. 221.1.2000.06

PS 221. June 9, 2000, 12:15 p.m. Facing northwest. Azimuth 295. Pasture 21. Plus X, ASA 125 film. 35mm lens focal length. Fencepost present and marked. Mesquite in foreground burned in 1994 fire; tree smaller now than in 1986 photo. Lehmann lovegrass only grass present. M. McClaran.

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MAY20031 MAY 2003 1

Photo Archive No. 221.1.2003.05

PS 221. May 29, 2003, 12:00 p.m. Facing west. TMAX, ASA 100 film. 35mm lens focal length. Small mesquite in foreground is alive but it burned in 1994 fire; cholla at base is dead; only Lehmann lovegrass for grasses. M. McClaran.

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221_1_2007_03 MAR 2007 1

Photo Archive No. 221.1.2007.03

PS. 221. 28 March 2007. Facing northwest, Azimuth 295. Pasture 21. Elevation 1235 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above. View into Box Canyon. Mesquite alive. Calliandra under small mesquite and in open; leaves and flowers emerged. Little leaf Baccharis behind small mesquite. Small cholla cacti present. Lehmann lovegrass dominant with black grama and cottontop. Compared to 2000, very similar, except small mesquite is larger now. M. McClaran photographer, A. Nafus assistant.

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221_1_2012_03 MAR 2012 1

Photo Archive No. 221.1.2012.03

PS. 221. 12 March 2012, 10:40 AM. Facing northwest, Azimuth 300. Pasture 21. Elevation 1215 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. View into Box Canyon. Mesquite alive, and some 2011 leaves still green. Calliandra under small mesquite and in open; leaves and flowers not yet emerged. Mimosa dysocarpa and little leaf Baccharis behind small mesquite. Small cholla cacti present behind foreground mesquite. Lehmann lovegrass and cottontop dominant. The 1902 photo is likely taken at location 6-7 m downslope from current witness post, but all photos since 1941 are taken from current witness post. The two large mesquite on the plateau above wash in far left of 1902 image are likely the ones present in 2012. Compared to 2007, very similar, except foreground mesquite is smaller now, more cottontop, plains bristlegrass, and threeawns behind foreground mesquite, and poppies present. M. McClaran photographer, A. Dalke and K. Hawkes assistants.

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Last updated - March 2009
Mitchel McClaran - mcclaran@u.arizona.edu