Santa Rita Experimental Range
Repeat Photography

Photo Station #220

Photo Archive No. 220.1.1905

Ca. 1905. Photo No. 3074.

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Photo Archive No. 220.1.1941.09

A-1877. Photo Sta. No. 220. Retake of Photo No. 3074 originally taken by Griffiths about 1905. Mesquite has increased very noticeably. Ground cover appears lighter than in the early days and there has been an evident change in composition, some of the coarse grasses having replaced what was on the ground in 1902. (5x7) Sept. 1941.

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Photo Archive No. 220.1.1950.11

11/50. R-237. Santa Rita Exp. Range, Ariz. Repeat of Photo Station 220. H.G. Reynolds. 10H(3)b.

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Photo Archive No. 220.1.1951.09

PS 220. B-51-33. Looking NE. 35-32-13-3/4". Repeat of Griffith 3074. 25 Sept 51.

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Photo Archive No. 220.1.1984.03

PS 200. Azimuth 360. March 21, 1984. RFB. Honeywell Pentax 35mm camera. 35mm wide angle lens. Kodak FX 135 film. f:8-11 1/125 15'. 3:30 P.M. Robert F. Buttery.

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Photo Archive No. 220.1.1988.02

PS 220. Az 360. Feb. 16, 1988. RFB. Canon AE-1 camera. 35mm WA lens. f:8 1/125 Inf. 1:40 P.M. Robert F. Buttery.

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Photo Archive No. 220.1.2000.04

PS 220. April 24, 2000, 2:40 p.m. Facing north. Azimuth 360. Pasture 9. ASA 135, Plus X film. 35mm lens focal length. Almost to end of road; follow fence back south to down gate; tagged fencepost across fence (30' east). Mesquites alive. Eragrostis lehmanniana dominant. Setaria macrostachya and Muhlenbergia porteri under mesquite. Barrel cactus right bottom of photo. Eriogonum wrightii. Two small catclaw at midground right. M. McClaran.

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Photo Archive No. 220.1.2007.03

PS. 220. 28 March 2007. Facing north, Azimuth 0. Pasture 9. Elevation 1253 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness, present, camera above. Mesquite alive, large top-killed from 1994 fire and resulting resprouts present. Calliandra leaves and flowers emerged, shrubby buckwheat, burroweed small shrubs. Prickly pear and barrel cacti. Lehmann lovegrass dominant, under mesquite find Setaria, cottontop, and bush muhly. Compared to 2000, less grass and mesquite is larger now. M. McClaran photographer, A. Nafus assistant.

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Photo Archive No. 220.1.2012.03

PS. 220. 12 March 2012, 3:35 PM. Facing north, Azimuth 0. Pasture 9. Elevation 1237 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness, present, camera above. Mesquite alive with some 2011 leaves remaining, large top-killed mesquite from 1994 fire resulting resprouts are present. Calliandra leaves and flowers not yet emerged, and shrubby buckwheat and Krameria plants present. Prickly pear and barrel cacti. Lehmann lovegrass dominant, and cottontop in open; also under mesquite find plains bristlegrass, cottontop, and bush muhly. Compared to 2007, more grass and smaller mesquite continue to increase in size. M. McClaran photographer, A. Dalke and K. Hawkes assistants.

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Photo Archive No. 220.1.2018.03

PS. 220. 05 March 2012, 3:05 PM. Facing north, Azimuth 0. Pasture 9. Elevation 1237 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness, present, camera above. Mesquite alive with some 2017 leaves remaining, large top-killed mesquite from 1994 fire resulting resprouts are present. Calliandra leaves and flowers not yet emerged, and shrubby buckwheat and Krameria, velvet pod mimosa, catclaw acacia and prickly pear present. Lehmann lovegrass dominant, and cottontop and black grama in open; also under mesquite find plains bristlegrass, cottontop, and bush muhly. Compared to 2012, less grass and less prickly pear, and barrel cactus died. M. McClaran photographer, K. Landreville assistant.

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