Santa Rita Experimental Range
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Photo Station #097



JUN19190 JUN 1919 1

Photo Archive No. 97.1.1919.06

Temporary No. 114. Permanent No. 40999A. Santa Rita Range Reserve. Made by R.L. Hensel on 7 June 1919 at 11 A.M. Using stop No. 45. Direction E. Light Cl 1/2 sec. Rg. (handwriting illegible) Range about 1 1/2 miles south Helvetia pipe line. Showing about 65% utilization of spring annuals and overgrazing of the Rothrock's grama. No perennial grasses since summer of 1917. Photo Sta #97. Compare 239596 and 260858. 104-C.

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FEB19300 FEB 1930 1

Photo Archive No. 97.1.1930.02

467. No. 239596. Showing typical area in foothill type to be compared with photo No. 40999 A., taken by R.L. Hensel on June 7, 1919. Photo by Santa Rita Range Reserve, 2-6-30. Photo Sta #97. Also compare 260858 & 328879. 104-C.

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OCT19310 OCT 1931 1

Photo Archive No. 97.1.1931.10

No. 260858. Temp. No. 825. General view in Pasture 6 along Helvetia Road to be compared with Photo No. 40999A and No. 239596. 10/13/31. 1/2 x 32. 3:30 P.M. Photo by S.R.E.R. Photo Sta #97. Also compare 328879. This photo taken a little East of proper location. P.S. 97 marker is in correct spot. 104-C.

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SEP19350 SEP 1935 1

Photo Archive No. 97.1.1935.09

Perm. No. 328879. Temp. No. 2097. Photo Sta #97. General view in Pasture 6 along Helvetia Road. Retake of 260858 taken in 1931. To be compared. Photo by Cribbs of S.R.E.R. 9/12/35. Exp. 1/5 - 45 - 8 - CP. Also compare 239596 & 40999A. 104-C.

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JUN19480 JUN 1948 1

Photo Archive No. 97.1.1948.06

6-48. A48-51. P.S. 97 repeat photo looking E. Big increase in cholla. Grass stand fair -- Agl, Ber, Hco, Ari, and other grasses. All closely grazed and obviously suffering from drought. SRER. Culley. 10H(3)b.

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JUL19510 JUL 1951 1

Photo Archive No. 97.1.1951.07

July 1951. R-270. Santa Rita Experimental Range. Repeat of photo-point 97. H.G. Reynolds. 10H3b.

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SEP19510 SEP 1951 1

Photo Archive No. 97.1.1951.09

PS 97. B-51-25. Looking east. 35-32-13-3/4". Repeat of 40999-A. Bohning, SRER. 24 Sept 1951.

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MAY19840 MAY 1984 1

Photo Archive No. 97.1.1984.05

PS 97. Azimuth 112. May 9, 1984. RFB. Honeywell Pentax 35mm camera. 35mm WA lens. f:11-16 1/125 15'. 7:00 A.M. Very hazy day. Robert F. Buttery.

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AUG19840 AUG 1984 1

Photo Archive No. 97.1.1984.08

PS 97. Azimuth 112. August 8, 1984. RFB. Honeywell Pentax 35mm camera. 35mm wide angle lens. Kodak FX 135 film. f:8 1/125 25'. 11:00 A.M. Robert F. Buttery.

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FEB19880 FEB 1988 1

Photo Archive No. 97.1.1988.02

PS 97. Az 112. Feb. 16, 1988. RFB. Canon AE-1 camera. 35mm WA lens. f:5.6 1/125 Inf. 9:45 A.M. Robert F. Buttery.

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APR20001 APR 2000 1

Photo Archive No. 97.1.2000.04

PS 97. April 17, 2000, 3:30 p.m. Facing east. Azimuth 112. Pasture 6A. ASA 135, Plus X film. 35mm lens focal length. About 100' northeast of PS 250 (within sight of each other); 10 ft. in front of post and mesquite; drainage ditch at foot of photos. Cottontop, Eragrostis lehmanniana (dominant), tanglehead, few burroweed, Eriogonum wrightii, bush muhly under mesquites. M. McClaran.

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097_1_2007_03 MAR 2007 1

Photo Archive No. 97.1.2007.03

PS. 097. 30 March 2007. Facing east, Azimuth 112. Pasture 21. Elevation 1185 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera 3 m east of post to avoid small mesquite blocking view. Mesquite alive. About 80% burroweed alive. Cholla and prickly pear cacti present. Tanglehead dominant grass, also find Lehmann lovegrass, black grama, threeawns, and cottontop: bush muhly under larger mesquite. Small mesquite center foreground block view of large mesquite present in 1951 photo. Ditch or contour furrow present in 1951 photo is still visible in 2007. Compared to 2000, less grass and cholla, small mesquite larger. M. McClaran photographer, F. Mashiri assistant.

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097_1_2009_03 MAR 2009 1

Photo Archive No. 97.1.2009.03

PS. 097. 19 March 2009. Facing east, Azimuth 112. Pasture 6A. Elevation 1187 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera 3 m east of post to avoid small mesquite blocking view. Mesquite and burroweed alive. Catclaw in midground left side of photo. Cholla and prickly pear cacti present. Tanglehead dominant grass, also find Lehmann lovegrass, black grama, threeawns, and cottontop: bush muhly under larger mesquite. Small mesquite center foreground block view of large mesquite present in 1951 photo. Ditch or contour furrow present in 1951 photo is still visible in 2009, and it is full of tanglehead grass. Compared to 2007, more grass especially tanglehead and cottontop; extensive stem girdling on mesquite in foreground; and cholla size increase. M. McClaran photographer, A. Peterson assistant.

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