Santa Rita Experimental Range
Repeat Photography

Photo Station #301

Photo Archive No. 301.1.1949

A49-76. Photo station 301 at enc. 163, looking southeast. Afr, cacti, Pve. No Agl where there used to be a fair stand.

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Photo Archive No. 301.1.1954.10

P.S. 301. B-54-78. Past. 5 on NW Rim Rd. looking to SE. Abundant annual grasses. 1/50-f22. Repeat of A-49-76. Bohning, SRER. 25 Oct. 54.

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Photo Archive No. 301.1.1960.08

T-293. 3 Aug 60. SRER, P.S. 301, ESE. 10H3b.

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Photo Archive No. 301.1.1987.12

PS-301. Azimuth 126. Dec. 3, 1987. RFB. Canon AE-1 camera. 35mm WA lens. Robert F. Buttery.

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Photo Archive No. 301.1.2000.04

PS 301. April 3, 2000, 2:00 p.m. Facing southeast. Azimuth 126. Pasture 5N. Plus X, 125 ASA film. 35mm lens focal length. Drive to intersection of powerline road and Pasture 5N/5S boundary fence; walk towards Huerfano Butte; stay south of interior exclosure fence. Witness present, marked, painted fluorescent orange. All mesquite alive. Grasses are Eragrostis lehmanniana, Digitaria californica, Aristida, Muhlenbergia porteri; Gutierrezia sarothrae. M. McClaran.

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Photo Archive No. 301.1.2007.03

PS. 301. 13 March 2007. Facing northeast, Azimuth 45. Pasture 5S. Elevation 964 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera above witness. Mesquite alive. Threeawn dominant grass by density, Lehmann lovegrass also common. Cottontop and bush muhly in open and under mesquite. Prickly pear, cholla are cacti. Snakeweed plants at bottom left. Many dead burroweed. Compared to 2000, much more grass, less burroweed, and larger prickly pear. M. McClaran photographer, no assistant.

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Photo Archive No. 301.1.2009.03

PS. 301. 16 March 2009. Facing northeast, Azimuth 45. Pasture 5S. Elevation 968 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera above witness. Mesquite alive. Bouteloua aristidoides and threeawn dominant grasses by density. Cottontop and bush muhly in open and under mesquite. Prickly pear, and cholla are cacti. Snakeweed plants at bottom left. Many dead burroweed. Compared to 2007, cottontop more common, Lehmann lovegrass less common, and cacti size increase. M. McClaran photographer, A. Peterson assistant.

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Photo Archive No. 301.2.1949

A49-77. Photo station 301, looking southwest. Afr, cacti, Pve. No Agl where there used to be a fair stand.

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Photo Archive No. 301.2.1954.10

P.S. 301. B-54-79. Past. 5 on NW Rim Rd. looking SW. 1/50-f22. Repeat of A-49-77. Bohning, SRER. 25 Oct. 54.

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Photo Archive No. 301.2.1960.08

T-294. 3 Aug 60. SRER, P.S. 301, W. 10H3b.

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Photo Archive No. 301.2.1987.12

PS-301. Azimuth 240. Dec. 3, 1987. RFB. Canon AE-1 camera. 35mm WA lens. Robert F. Buttery.

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Photo Archive No. 301.2.2000.04

PS 301. April 3, 2000, 2:00 p.m. Facing southwest. Azimuth 240. Pasture 5N. Plus X 125 ASA film. 35mm lens focal length. Drive to intersection of powerline road and Pasture 5N/5S boundary fence; walk towards Huerfano Butte; stay south of interior exclosure fence. Witness present, marked, painted fluorescent orange. Heteropogon contortus, Eragrostis lehmanniana, Haplopappus tenuisectus present; mesquite alive. M. McClaran.

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Photo Archive No. 301.2.2007.03

PS. 301. 13 March 2007. Facing southwest, Azimuth 240. Pasture 5S. Elevation 964 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera above witness. Mesquite alive. Mesquite on left has Epherdra beneath. Blue palo verde far right. Threeawn dominant grass by density, Lehmann lovegrass also common. Cottontop common. Prickly pear, cholla are cacti. Many dead burroweed, but many still alive. Compared to 2000, more grass, less burroweed, dead prickly pear, and larger prickly pear. M. McClaran photographer, no assistant.

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Photo Archive No. 301.2.2009.03

PS. 301. 16 March 2009. Facing southwest, Azimuth 240. Pasture 5S. Elevation 968 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post present, camera above witness. Mesquite alive. Mesquite on left has Epherdra beneath. Blue palo verde far right. Bouteloua aristidoides and threeawn dominant grasses by density. Cottontop common. Bush muhly under foreground left cholla. Prickly pear, cholla are cacti. Many dead burroweed, but many still alive. Ephedra in front left was present in 1948, as was palo verde in distant center behind mid center mesquite. Photo view has drifted to west (right) a few degrees since 1948 original. Compared to 2007, Lehmann lovegrass less common, no change in burroweed.and prickly pear increase in size. M. McClaran photographer, A. Peterson assistant.

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