Santa Rita Experimental Range
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Photo Station #083



JUN19190 JUN 1919 1

Photo Archive No. 83.1.1919.06

Temporary No. 120. Permanent No. 43537A. Santa Rita Range Reserve. Made by R.L. Hensel on 7 June 1919 at 12:20 pm. Using stop No. 45. Direction W. Light Cl 1 sec 64-13 focus lens. Shows heavy stand of chollas in Pasture #2. Photo Sta #83. Compare 246590 & 2089. 400-B. NOTE: This image is a mirror image of other images for this station.

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JUN19300 JUN 1930 1

Photo Archive No. 83.1.1930.06

T. No. 632. No. 246590. Photograph showing vegetative changes that have taken place on area represented in photograph No. 43537A taken in June 1919. Photo by Santa Rita R.R. 6-16-30. Photo Sta. #83. 400-B.

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SEP19350 SEP 1935 1

Photo Archive No. 83.1.1935.09

Perm. No. 328871. Temp. No. 2089. Photo Sta 83. Photograph showing vegetative changes that have taken place on the same area represented in Photo 246590 taken in 1930. To be compared. Photo by Cribbs of S.R.E.R. 9/11/35. Exp. 1 - 64 - 14 - G - CP. Also compare 43537A. 400-B. Steel post on West side of road. PS 83 about 170 ft (Westerly) directly toward Helmet Pk.

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JUN19480 JUN 1948 1

Photo Archive No. 83.1.1948.06

6-48. A48-106. PS 83 repeat photo of 2089. Cholla and Pve have increased. Afr not much change. SRER. Culley. 10H(3)b.

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MAY19840 MAY 1984 1

Photo Archive No. 83.1.1984.05

PS 83. Azimuth 300. May 3, 1984. RFB. Honeywell Pentax 35mm camera. 35mm WA lens. f:8-11 1/125 20'. 12:00 Noon. Robert F. Buttery.

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FEB19880 FEB 1988 1

Photo Archive No. 83.1.1988.02

PS 83. Az 300. Feb. 10, 1988. RFB. Canon AE-1 camera. 35mm WA lens. f:8 1/125 Inf. 3:15 P.M. Robert F. Buttery.

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APR20001 APR 2000 1

Photo Archive No. 83.1.2000.04

PS 83. April 21, 2000, 12:00 noon. Facing northwest. Azimuth 300. Pasture 2N. Plus X, 125 ASA film. 35mm lens focal length. About 300' west of road; no witness; put in stake. 1984 and 1988 photos taken about 600' northeast of current (and presumably original) spot. This photo is from original location. All mesquite; dominant grass is Eragrostis lehmanniana; also Heteropogon contortus, Boer's lovegrass. Some Haplopappus tenuisectus. Some Zinnia pumila and Calliandra eriophylla. Muhlenbergia porteri, Setaria macrostachya, and Digitaria californica under trees. M. McClaran.

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083_1_2007_03 MAR 2007 1

Photo Archive No. 83.1.2007.03

PS. 083. 9 March 2007. Facing west northwest, Azimuth 300. Pasture 2N. Elevation 1145 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Painted rebar in place as Witness, ~50 m west of Road 486. Camera placed above rebar. Matches all previous locations except 1984 and 1988. Mesquite alive. One catlclaw behind center mesquite. Calliandra, prickly pear, barrel cactus and few burroweed present. Grasses are Boer’s lovegrass, Lehmann lovegrass, black grama, bush muhly is under trees. Compared to 2000, now no Zinnia, less grass, no Heteropogon, dead burroweed, some dead prickly pear but new growth on others. M. McClaran photographer, no assistant.

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083_1_2011_03 MAR 2011 1

Photo Archive No. 83.1.2011.03

PS. 083. 14 March 2011. 11 AM. Facing west northwest, Azimuth 320. Pasture 2N. Elevation 1131 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Painted rebar in place as Witness, ~50 m west of Road 486. Camera placed above rebar. Matches all previous locations except 1984 and 1988. Mesquite alive. One catlclaw behind center mesquite. Celtis in back left. Calliandra, prickly pear, barrel cactus and a few burroweed present. Grasses are Boer’s lovegrass, Lehmann lovegrass (most abundant perennial grass), black grama, and cottontop present, with bush muhly under trees. Compared to 2007, now a few Zinnia, much more grass, and less prickly pear. M. McClaran photographer, A. Dalke assistant.

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083_1_2017_03 MAR 2017 1

Photo Archive No. 83.1.2017.03

PS. 083. 13 March 2017. 10:03 AM. Facing west northwest, Azimuth 305. Pasture 2N. Elevation 1131 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Painted rebar in place as Witness, ~50 m west of Road 486. Camera placed above rebar. Matches all previous locations except 1984 and 1988. Mesquite alive. One catlclaw behind center mesquite. Celtis in back left. Calliandra, prickly pear, cholla, and barrel cactus and a few burroweed and Zinnia present. Grasses are Boer’s lovegrass, Lehmann lovegrass (most abundant perennial grass), black grama, tanglehead, and cottontop present, with bush muhly under trees. Large mesquite present in 1935 photo in distance left, are still present today but not easily visible from photo station. Compared to 2011, more grass. less prickly pear, barrel cactus in right foreground is now dead, but the smaller neighboring barrel cactus is still alive. M. McClaran photographer, K. Hawkes assistant.

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083_1_2023_03 MAR 2023 1

Photo Archive No. 83.1.2023.03

PS. 083. 06 March 2023. 10:36 AM. Facing west northwest, Azimuth 305. Pasture 2N. Elevation 1131 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. Painted rebar in place as Witness, ~50 m west of Road 486. Camera placed above rebar. Matches all previous locations except 1984 and 1988. Mesquite alive. One catlclaw behind center mesquite. Celtis in back left. Calliandra, prickly pear, cholla, and a few burroweed present. Grasses are Boer’s lovegrass, Lehmann lovegrass (most abundant perennial grass), black grama, tanglehead, and cottontop present, with bush muhly and Setaria under trees. Large mesquite present in 1935 photo is currently in distant left along the wash, but from the photo station location it is only the top most branches that are visible now. Compared to 2017, more perennial grass cover, less prickly pear, barrel cactus and Zinnia no longer present. M. McClaran photographer, A. Gorlier assistant.

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Last updated - August 2023
Mitchel McClaran - mcclaran@u.arizona.edu