Photo Archive No. 097.1.1919.06
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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Photo Archive No. 097.1.1930.02
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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Photo Archive No. 097.1.1931.10
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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Photo Archive No. 097.1.1935.09
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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Photo Archive No. 097.1.1948.06
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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Photo Archive No. 097.1.1951.07
July 1951. R-270. Santa Rita Experimental Range. Repeat of photo-point 97. H.G. Reynolds. 10H3b.
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Photo Archive No. 097.1.1951.09
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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Photo Archive No. 097.1.1984.05
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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Photo Archive No. 097.1.1984.08
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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Photo Archive No. 097.1.1988.02
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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Photo Archive No. 097.1.2000.04
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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Photo Archive No. 097.1.2007.03
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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Photo Archive No. 097.1.2009.03
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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Photo Archive No. 097.1.2015.03
PS. 097. 19 March 2015. 2:04 pm. Facing east, Azimuth 112. Pasture 6A. Elevation 1187 m. ISO 400, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera 3 m east of post to avoid small mesquite blocking view. Mesquite alive, and leaves emerging. Catclaw in midground left side of photo is now dead. Littleleaf baccharis present. 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, and it is occupied by tanglehead, Lehmann lovegrass, threeawns, and cottontop. Compared to 2009, no burroweed in view, but some outside view of photo; decline of grass, especially Lehmann lovegrass. M. McClaran photographer, K. Hawkes assistant.
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Photo Archive No. 097.1.2021.03
PS. 097. 26 March 2021. 2:40 pm. Facing east, Azimuth 112. Pasture 6A. Elevation 1187 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera 3 m east of post to avoid small mesquite blocking view. Since 1951, this is not a good match for the older photos because the earlier photos were probably taken from a different location. Mesquite alive, and leaves emerging. Catclaw in midground left side of photo is now dead. Littleleaf baccharis present. Celtis present in the far distance center under old mesquite. Cholla and prickly pear cacti present. Cottontop dominant grass, also find tanglehead, Lehmann lovegrass, black grama, sideoats 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, and it is occupied by tanglehead, Lehmann lovegrass, threeawns, and cottontop. Compared to 2015, following very dry and hot conditions between July 2020 and March 2021; burroweed present; increase of grass, especially cottontop; decrease in tanglehead; grazing use increased. M. McClaran photographer, A. Gorlier assistant.
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