Santa Rita Experimental Range
Repeat Photography



site map

Photo Station #053



JUN19360 JUN 1936 1

Photo Archive No. 53.1.1936.06

Perm. No. 329081. Temp. No. 2359. Photo Station #53. 75 feet west of Ruelas Road and approximately 200 feet north of north line fence of protected Plot #38. Looking south and showing heavy stand of burroweed on the left of small wash with practically no burroweed on the right. To be checked in later years for possible spread of burroweeds in area now free. 2-32-8"-G-CP. Photo by Cribbs, 6/30/36. 400-B.

Download Photo (2,969,535 bytes)



JUL19510 JUL 1951 1

Photo Archive No. 53.1.1951.07

July 1951. R-269. Santa Rita Experimental Range. Repeat of photopoint 53. H.G. Reynolds. 10H3b.

Download Photo (2,765,862 bytes)



SEP19850 SEP 1985 1

Photo Archive No. 53.1.1985.09

PS 53. Azimuth 165. Sept, 6. 1985. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery.

Download Photo (1,013,724 bytes)



APR20001 APR 2000 1

Photo Archive No. 53.1.2000.04

PS 53. April 21, 2000, 10:00 a.m., somewhat overcast. Facing south. Azimuth 165. Pasture 6A. Plus X, ASA 125 film. 35mm lens focal length. About 500' south of PS 249. Witness present, marked, about 100' west of road, but difficult to see from road due to dense vegetation. Large plants are all mesquite. Acacia greggii in center foreground. Ferocactus wislizenii in mid-ground. Slope in midground dominated by Bouteloua eriopoda. Eragrostis lehmanniana at top of slope. Bouteloua curtipendula in drainage. M. McClaran.

Download Photo (2,089,710 bytes)



053_1_2007_04 APR 2007 1

Photo Archive No. 053.1.2007.04

PS. 053. 02 April 2007. Facing south, Azimuth 180. Pasture 6A. Elevation 1258 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above. Mesquite alive, catclaw bottom center. Scattered dead and live burroweed about 10 plants total. Prickly pear, barrel and cholla cacti. Black grama dominant, also find cottontop, Setaria, threeawns, and Lehmann lovegrass. Mesquite present in 1936 are present, but small mesquite block view of them. Compared to 2000, more prickly pear. M. McClaran photographer, C. McMurtry assistant.

Download JPEG Photo (6,643 KB)

Download RAW Photo (17,330 KB)



053_1_2011_03 MAR 2011 1

Photo Archive No. 053.1.2011.03

PS. 053. 16 March 2011. 11:40 AM. Facing south, Azimuth 188. Pasture 6A. Elevation 1250 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Mesquite alive, catclaw bottom center. Five live burroweed. Prickly pear, barrel and cholla cacti. Black grama dominant, also find cottontop, Setaria, threeawns, and Lehmann lovegrass. Bush muhly under mesquite. Mesquite present in 1936 are present, but small mesquite block view of them. Compared to 2007, more grass mainly cottontop and Lehmann lovegrass, and prickly pear in poor condition. M. McClaran photographer, A. Dalke assistant.

Download JPEG Photo (12,803 KB)

Download RAW Photo (32,952 KB)



053_1_2017_03 MAR 2017 1

Photo Archive No. 053.1.2017.03

PS. 053. 16 March 2017. 11:55 AM. Facing south, Azimuth 165. Pasture 6A. Elevation 1250 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Mesquite alive, catclaw bottom center. Burroweed, barrel cactus and cholla cactus. Black grama dominant, also find cottontop, Setaria, threeawns, Rothrock, sideoats, and Lehmann lovegrass. Bush muhly under mesquite. Mesquite present in 1936 are present, but small mesquite block view of them. Compared to 2011, more grass mass and less prickly pear. M. McClaran photographer, K. Hawkes assistant.

Download JPEG Photo (15,257 KB)

Download RAW Photo (26,950 KB)



053_1_2023_03 MAR 2023 1

Photo Archive No. 053.1.2023.03

PS. 053. 10 March 2023. 11:22 AM. Facing south, Azimuth 165. Pasture 6A. Elevation 1250 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Mesquite alive, catclaw bottom center. Burroweed, barrel cactus and cholla cactus. Black grama present, also find cottontop, Setaria, threeawns, sideoats, sprangletop, and Lehmann lovegrass. Bush muhly under mesquite. Mesquite present in 1936 are present, but small mesquite block view of them. Compared to 2017, more grass mass and cover, now missing prickly pear, Rothrock grama is missing, and lost barrel that was in the top right of the image. M. McClaran photographer, A. Gorlier assistant.

Download JPEG Photo (14,792 KB)

Download RAW Photo (27,231 KB)



[Return to SRER Home Page]

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