Santa Rita Experimental Range
Repeat Photography



site map

Photo Station #270



SEP19480 SEP 1948 1

Photo Archive No. 270.1.1948.09

A48-214. Photo station 270, pasture 12B, looking east. Light stand perennial grasses, Tca, Adi. Good stand annual grasses and Eragrostis. Poor growth and all dried up now. 9/7. NOTE: This view was not retaken by R.F. Buttery in 1984 because it was blocked by mesquite.

Download Photo (2,710,030 bytes)



APR20001 APR 2000 1

Photo Archive No. 270.1.2000.04

PS 270. April 10, 2000, 1:30 p.m. Facing east. Azimuth unknown. Pasture 12B. Plus X, 125 ASA film. 35mm lens focal length. Witness down; replaced with painted rebar; about 15' south of road. Mesquites alive; Eragrostis lehmanniana, snakeweed; Setaria macrostachya and Digitaria californica under trees. M. McClaran.

Download Photo (2,513,352 bytes)



270_1_2007_03 MAR 2007 1

Photo Archive No. 270.1.2007.03

PS. 270. 15 March 2007. Facing east, Azimuth 90. Pasture 12B. Elevation 1017 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post replaced, camera above witness. Mesquite alive. Snakeweed common, some Calliandra scattered but no leaves yet. Lehmann lovegrass most common grass, some Bouteloua aristidoides. Cottontop and Setaria under larger mesquite. Compared to 2000, less grass now. M. McClaran photographer, M. McGregor assistant.

Download JPEG Photo (6,430 KB)

Download RAW Photo (16,795 KB)



270_1_2013_03 MAR 2013 1

Photo Archive No. 270.1.2013.03

PS. 270. 20 March 2013. 3:04 pm. Facing southeast, Azimuth 141. Pasture 12B. Elevation 1011 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Mesquite alive. Snakeweed present, some Calliandra scattered and leaves just emerging. Lehmann lovegrass most common perennial grass, with cottontop under larger mesquite. Compared to 2007, less grass and snakeweed, no Setaria under mesquite; but prickly pear and cholla plants are larger M. McClaran photographer, K. Hawkes assistant.

Download JPEG Photo (11,506 KB)

Download RAW Photo (24,663 KB)



SEP19480 SEP 1948 2

Photo Archive No. 270.2.1948.09

A48-215. Photo station 270, pasture 12B, looking south. Light stand perennial grasses, Tca-Adi. Good stand annual grasses and Eragrostis. Poor growth and all dried up. 9/7.

Download Photo (2,442,457 bytes)



APR19600 APR 1960 2

Photo Archive No. 270.2.1960.04

T-209. 6 Apr. 60. SRER, P.S. 270. 10H3b.

Download Photo (1,282,394 bytes)



OCT19840 OCT 1984 2

Photo Archive No. 270.2.1984.10

PS 270. Azimuth 204. Oct. 31, 1984. RFB. Honeywell Pentax 35mm camera. 35mm WA lens. f:5.6-8 1/125 25'. 9:00 A.M. Robert F. Buttery.

Download Photo (1,195,889 bytes)



JAN19880 JAN 1988 2

Photo Archive No. 270.2.1988.01

PS-270. Az 204. Jan. 26, 1988. RFB. Canon AE-1 35mm camera. 35mm WA lens. Robert F. Buttery.

Download Photo (1,307,621 bytes)



APR20002 APR 2000 2

Photo Archive No. 270.2.2000.04

PS 270. April 10, 2000, 1:30 p.m. Facing southwest. Azimuth 204. Pasture 12B. Plus X, 125 ASA film. 35mm lens focal length. Witness down; replaced with painted rebar; about 15' south of road. Digitaria californica; Muhlenbergia porteri under trees. Grasses dominated by Eragrostis lehmanniana. Mesquites alive, calliandra, few Haplopappus tenuisectus. M. McClaran.

Download Photo (2,446,940 bytes)



270_2_2007_03 MAR 2007 2

Photo Archive No. 270.2.2007.03

PS. 270. 15 March 2007. Facing southwest, Azimuth 204. Pasture 12B. Elevation 1017 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness post replaced, camera above witness. Mesquite alive, small mesquite at bottom foreground. Cholla, hedgehog, and barrel cacti. Snakeweed and Calliandra common. Lehmann lovegrass and Bouteloua aristidoides common. Cottontop, bush muhly, and Setaria under larger mesquite. Acacia greggi and Zizyphus obtusifolia in right distant. Compared to 2000, less grass now. M. McClaran photographer, M. McGregor assistant.

Download JPEG Photo (6,929 KB)

Download RAW Photo (18,061 KB)



270_2_2013_03 MAR 2013 2

Photo Archive No. 270.2.2013.03

PS. 270. 20 March 2013. 3:10 pm. Facing south, Azimuth 195. Pasture 12B. Elevation 1011 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Mesquite alive, small mesquite at bottom foreground. Cholla and prickly pear cacti. Snakeweed and Calliandra common. Lehmann lovegrass and Bouteloua aristidoides common. Cottontop, and bush muhly under larger mesquite. Acacia greggi and Zizyphus obtusifolia in right distant. Compared to 2007, less grass especially in background and no Setaria; barrel and hedgehog cacti dead. M. McClaran photographer, M. McGregor assistant.

Download JPEG Photo (12,201 KB)

Download RAW Photo (25,443 KB)



[Return to SRER Home Page]

Last updated - June 2013
Mitchel McClaran - mcclaran@u.arizona.edu