Direction: 1

• Photo Archive No. 339.1.1935.10

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  Date

  October 1935

  Direction

  1

  PS. 339. 16 October 1935. General view P10. Photo by Cribbs. Perm. No. 328954.

  339_1_1935_10.jpg

• Photo Archive No. 339.1.2003.04

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  Date

  April 2003

  Direction

  1

  PS. 339. 11 April 2003. Facing southeast. Film ASA 100 Plus X, 35mm focal length, Olympus OM-1 Camera. Negatives 16-18. Dry conditions. Dominant grass is Lehmann lovegrass, with some large tanglehead plants. Some burroweed. No new mesquite leaves yet, all visible leaves are from 2002. M. McClaran photographer, S. McClaran assistant.

  339_1_2003_04.jpg

• Photo Archive No. 339.1.2007.03

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  Date

  March 2007

  Direction

  1

  PS. 339. 21 March 2007. Facing southeast, Azimuth 145. Pasture 2SW. Study Area 103. Elevation 1094 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Northwest corner post of Study Area 103, camera above. Mesquite alive. Very few live burroweed. Barrel, prickly pear, cholla cacti. Lehmann lovegrass, Bouteloua aristidoides, tanglehead and cottontop grasses in open areas, cottontop and bush muhly under mesquite. Windy and cloudy conditions. Compared to 2003, less grass and burroweed now. M. McClaran photographer, A. Nafus assistant.

  339_1_2007_03.JPG

  339_1_2007_03.dng

• Photo Archive No. 339.1.2010.03

  Image

  

  Date

  March 2010

  Direction

  1

  PS. 339. 16 March 2010 12:30 PM. Facing south, Azimuth 160. Pasture 2SW. Study Area 103. Elevation 1085 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Northwest corner post of Study Area 103, camera above. Mesquite alive. No live burroweed. Barrel, prickly pear, cholla cacti. No Lehmann lovegrass in scene. Bouteloua aristidoides absent because dry summer 2009. Tanglehead and cottontop grasses in open areas, cottontop and bush muhly under mesquite. Windy conditions. Compared to 2007, more grass plants and turnover of cholla plants. M. McClaran photographer, A. Dalke assistant.

  339_1_2010_03.JPG

  339_1_2010_03.dng

• Photo Archive No. 339.1.2016.03

  Image

  

  Date

  March 2016

  Direction

  1

  PS. 339. 14 March 2016 1:07 PM. Facing south, Azimuth 160. Pasture 2SW. Study Area 103. Elevation 1085 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. Northwest corner post of Study Area 103, camera above. Mesquite alive. Burroweed present. Barrel, prickly pear, cholla cacti. Lehmann lovegrass present. Tanglehead and cottontop grasses in open areas, cottontop and bush muhly under mesquite. Windy conditions. Compared to 2010, burroweed now present but scattered, and less grass (mainly a decline in Lehman lovegrass). M. McClaran photographer, K. Hawkes assistant.

  339_1_2016_03.JPG

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• Photo Archive No. 339.1.2022.03

  Image

  

  Date

  March 2022

  Direction

  1

  PS. 339. 07 March 2022 2:35 PM. Facing south, Azimuth 160. Pasture 2SW. Study Area 103. Elevation 1085 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. Northwest corner post of Study Area 103, camera above. Mesquite alive. Barrel, prickly pear, cholla cacti. Burroweed present and little leaf baccharis (2 plants). Lehmann lovegrass present. Tanglehead, cane beardgrass, threeawns, bush muhly and cottontop grasses in open areas, cottontop, Setaria and bush muhly under mesquite. Abundant annual grama grass (Bouteloua aristidoides) from wet summer 2021. Compared to 2016, much more grass cover primarily from increase of annual grama with wet summer 2021, more burroweed plants, and added threeawns, cane beardgrass, Setaria and little leaf baccharis. M. McClaran photographer, A. Gorlier and J. Bartolome assistants.

  339_1_2022_03.JPG

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