Direction: 1

• Photo Archive No. 338.1.1935.10

  Image

  

  Date

  October 1935

  Direction

  1

  PS. 338. 16 October 1935. 100 ft. section P11. Photo by Cribbs and Glendening. Perm. No. 328948.

  338_1_1935_10.jpg

• Photo Archive No. 338.1.2003.04

  Image

  

  Date

  April 2003

  Direction

  1

  PS. 338. 11 April 2003. Facing south. Film ASA 100 Plus X, 35mm focal length, Olympus OM-1 Camera. Negatives 13-15. Approximately 10 feet south of original position due to mesquite blocking view. P-11 is approximately 14 feet on a side; photo taken from middles of S boundary in front of a mesquite. Dry conditions. Dominant grass is Lehmann lovegrass. Some burroweed. No new mesquite leaves yet, all visible leaves are from 2002. M. McClaran photographer, S. McClaran assistant.

  338_1_2003_04.jpg

• Photo Archive No. 338.1.2007.03

  Image

  

  Date

  March 2007

  Direction

  1

  PS. 338. 21 March 2007. Facing south, Azimuth 180. Pasture 2SW. Study Area 103. Elevation 1092 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. No witness, camera 4 m south of metal pegs for 1935 cut plot brush treatment. Mesquite alive. More than half of burroweed plants are dead. One catclaw center before wash. Barrel, prickly pear, cholla cacti. Bouteloua aristidoides and Lehmann lovegrass dominate open areas, cottontop, bush muhly, and Setaria under mesquite. Windy and cloudy conditions. Compared to 2003, less burroweed now. M. McClaran photographer, A. Nafus assistant.

  338_1_2007_03.JPG

  338_1_2007_03.dng

• Photo Archive No. 338.1.2010.03

  Image

  

  Date

  March 2010

  Direction

  1

  PS. 338. 16 March 2010 11:45 AM. Facing south, Azimuth 205. Pasture 2SW. Study Area 103. Elevation 1087 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. White rebar serves as witness, camera above and 4 m south of metal pegs for 1935 cut plot brush treatment. Large mesquite in left foreground probably under brush pile in 1935 photo. Large mesquite in right foreground outside of 1935 image and probably not cut in 1935 treatment because the plant is very large and shaggy bark present on many large branches. Few burroweed plants and snakeweed plants present. One catclaw center before wash. Barrel, prickly pear, cholla cacti. Lehmann lovegrass dominate open areas, cottontop, bush muhly, and Setaria under mesquite. No Bouteloua aristidoides because dry summer 2009. Windy conditions. Compared to 2007, mesquite size reduced now. M. McClaran photographer, A. Dalke assistant.

  338_1_2010_03.JPG

  338_1_2010_03.dng

• Photo Archive No. 338.1.2016.03

  Image

  

  Date

  March 2016

  Direction

  1

  PS. 338. 14 March 2016 11:54 AM. Facing south, Azimuth 205. Pasture 2SW. Study Area 103. Elevation 1087 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. White rebar serves as witness, camera above and 4 m south of metal pegs for 1935 cut plot brush treatment. Large mesquite in left foreground probably under brush pile in 1935 photo. Large mesquite in right foreground outside of 1935 image and probably not cut in 1935 treatment because the plant is very large and shaggy bark present on many large branches. Few burroweed plants and snakeweed plants present. One catclaw center before wash. Barrel, cholla cacti. Lehmann lovegrass dominates open areas, cottontop, bush muhly, black grama and Setaria under mesquite. Windy conditions. Compared to 2010, less prickly pear and cholla in foreground; more grass overall including increase of cottontop in channel, Lehmann lovegrass and tanglehead behind blue palo verde on right; more burroweed and snakeweed. M. McClaran photographer, K. Hawkes assistant.

  338_1_2016_03.JPG

  338_1_2016_03.dng

• Photo Archive No. 338.1.2022.03

  Image

  

  Date

  March 2022

  Direction

  1

  PS. 338. 07 March 2022 11:47 AM. Facing south, Azimuth 205. Pasture 2SW. Study Area 103. Elevation 1087 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. White rebar serves as witness, camera above and 4 m south of metal pegs for 1935 cut plot brush treatment. Large mesquite in left foreground probably under brush pile in 1935 photo. Large mesquite in right foreground outside of 1935 image and probably not cut in 1935 treatment because the plant is very large and shaggy bark present on many large branches. Blue palo verde on right beneath mesquite in front of the wash. Few burroweed plants and snakeweed plants present. One catclaw center before wash. Barrel, cholla cacti. Lehmann lovegrass dominates open areas, cottontop, bush muhly, black grama and Setaria under mesquite. Abundant annual grama grass (Bouteloua aristidoides) from wet summer 2021. Compared to 2016, more grass overall including increase of cottontop and Lehmann lovegrass, but fewer tanglehead plants, fewer burrowed plants including dead plant center foreground, barrel cactus is larger. M. McClaran photographer, A. Gorlier and J. Bartolome assistants.

  338_1_2022_03.JPG

  338_1_2022_03.dng