Santa Rita Experimental Range
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Photo Station #109



APR19200 APR 1920 1

Photo Archive No. 109.1.1920.04

Plate #3. Temporary No. 188. Permanent No. 49730A. Santa Rita RR. Made by R.R. Hill on 15 Apr 1920 at 1:30 m. Using stop No. 45. Direction E. Light bright 1/2 sec. Contrast in utilization between inside and outside Pasture #1. Outside range has no reserve forage for balance of year; stock must depend entirely upon new growth. Photo Sta. #109. Compare 328862. North or NW of Forest Station. Along old fence line just (handwriting illegible) of Encl #14. 104-C.

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SEP19350 SEP 1935 1

Photo Archive No. 109.1.1935.09

Perm. No. 328862. Temp. No. 2079. Contrast in utilization between inside and outside pasture 1. Retake of 49730A taken in 1920. To be compared. Photo by Cribbs of S.R.E.R. 9/10/35. Exp. 1/25 - 16 - 8 - CP. Photo Sta. #109. 104-C.

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MAY19840 MAY 1984 1

Photo Archive No. 109.1.1984.05

PS 109. Azimuth 96. May 9, 1984. RFB. Honeywell Pentax 35mm camera. 35mm WA lens. f:11-16 1/125 20'. 12:00 Noon. Very hazy day. Robert F. Buttery.

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FEB19880 FEB 1988 1

Photo Archive No. 109.1.1988.02

PS 109. Az 96. Feb. 26, 1988. RFB. Canon AE-1 camera. 35mm WA lens. f:5.6 1/125 Inf. 11:00 A.M. Robert F. Buttery.

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MAY20001 MAY 2000 1

Photo Archive No. 109.1.2000.05

PS 109. May 1, 2000. Facing east. Azimuth 96. Pasture 8. ASA 135, Plus X film. 35mm lens focal length. Through gate 100 yds. down little road to rock cairn; just past west end of study area 14. No fencepost; instead use rock pile on east side of road to study area 14. Eragrostis lehmanniana; mesquites are alive. M. McClaran.

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109_1_2007_04 APR 2007 1

Photo Archive No. 109.1.2007.04

PS. 109. 04 April 2007. Facing east, Azimuth 96. Pasture 8, near exclosure 14. Elevation 1278 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. No witness, rock cairn constructed on immediate north shoulder of road, camera above. Mesquite alive; velvet pod mimosa 2 foreground plants, Calliandra in leaf and flower, burroweed, and Agave. Very small prickly pear foreground. Lehmann lovegrass dominant, also find sideoats grama and sprucetop grama. Good match with earlier photos. Compared to 2000, less grass. M. McClaran photographer, K. Lohse assistant.

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109_1_2010_04 APR 2007 1

Photo Archive No. 109_1_2010_04

PS. 109. 18 March 2010 4:00 PM. Facing east, Azimuth 90. Pasture 8, near exclosure 14. Elevation 1264 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. No witness, rock cairn constructed on immediate north shoulder of road, camera above. Mesquite alive; velvet pod mimosa 2 foreground plants, Calliandra and burroweed. The Agave present in 2007 is now dead. Small prickly pear foreground. Lehmann lovegrass dominant, also find sideoats grama and sprucetop grama. Hillside in distant left was burned in May 2009 and removal of vegetation permits brighter red soil surface to be viewed. Good match with earlier photos. Windy conditions. Compared to 2007, more grass. M. McClaran photographer, A. Dalke assistant.

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Last updated - May 2010
Mitchel McClaran - mcclaran@u.arizona.edu