PS 122. Azimuth 360. July 2, 1985. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery.

PS 122. September 3, 1998. Facing north. Gravelly Ridge. In far south end. Euryops invasion since 1985. Pentax 35mm camera with an f/8 50mm lens and color slide film. Dan Robinett.

PS 122. July 13, 2000, 9:45 a.m. Facing north. Azimuth 360. Pasture 16. ASA 125, Plus X film. 35mm lens focal length. Same view as 1985 and 1998 photos. Euryops removal in 1999 is apparent because plants present in 1998 photo are missing. M. McClaran.

PS. 122. 21 March 2007. Facing north, Azimuth 360. Pasture 16. Gravelly Ridge Study Area. Elevation 937 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above witness. Ocotillo and blue paloverde center foreground, whitethorn acacia right midground. Mesquite alive distant. Cholla present. Small shrubs Krameria dominant with Calliandra. Blue paloverde right foreground, Lehmann lovegrass and slender grama grasses. Windy and cloudy conditions. Compared to 2000, more cholla now. M. McClaran photographer, A. Nafus assistant.

PS. 122. 15 March 2010 12:30 PM. Facing north, Azimuth 360. Pasture 16. Gravelly Ridge Study Area. Elevation 927 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Ocotillo and blue paloverde center foreground, whitethorn acacia right midground. Mesquite alive distant. Cholla present. Small shrubs Krameria dominant with Calliandra. Blue paloverde right foreground, Lehmann lovegrass and slender grama grasses. Windy conditions. Center ocotillo first appears in 1985, and left ocotillo first appears in 2000 picture. Compared to 2007, new cholla under palo verde now. M. McClaran photographer, A. Dalke assistant.

PS. 122. 13 March 2016 12:04 PM. Facing north, Azimuth 10. Pasture 16. Gravelly Ridge Study Area.  Elevation 927 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Ocotillo and blue paloverde center foreground, whitethorn acacia right midground. Mesquite alive, and of the far distant plants near fence, the one of the left is alive, middle plant is dead, and right plant is alive; and the tall mesquite branch in the center background above the palo verde is alive. Cholla, present.  Small shrubs Krameria dominant with calliandra, janusia, senna, and ephedra.  Blue paloverde right foreground, Lehmann lovegrass and slender grama, rothrock grama, setaria grasses. Windy conditions.  Center ocotillo first appears in 1985, and left ocotillo first appears in 2000 picture. Compared to 2010, decline in cholla (especially the two on the other side of the fence; far right ocotillo died.  M. McClaran photographer, K. Hawkes and D. Landreville assistants.

PS. 122. 11 March 2022 2:43 PM. Facing north, Azimuth 10. Pasture 16. Gravelly Ridge Study Area. Elevation 927 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Ocotillo and blue paloverde center foreground, whitethorn acacia right midground. Mesquite alive, and the far distant plants near fence, the one on the left is now dead, middle plant is dead, and right plant is still alive; and the tall mesquite branch in the center background above the palo verde is now dead. Death of these older mesquite may be result of the dry 2020 summer and dry 2020-21 winter. Cholla, present. Small shrubs Krameria dominant with Calliandra, Janusia, snakeweed, and Ephedra. Blue paloverde right foreground behind ocotillo plants. Aristida is only perennial grass in foreground before the wash in the background. Near that wash and under mesquite, find perennial grasses Lehmann lovegrass, cottontop, buffelgrass, Setaria, bush muhly, and Pappophorum. Windy conditions. Center ocotillo first appears in 1985, and left ocotillo first appears in 2000 picture. Compared to 2016, decline in abundant annual grasses from 2021 wet summer, lost perennial grasses Rothrock and slender gramas, old mesquite trees in distance died, some growth and some decline of cholla plant sizes, this is first year looking at grass plants near the wash. M. McClaran photographer, A. Gorlier assistant.

Temp. No. 1136. Permanent No. 276410. Gravelly Ridge Project - Photo Station No. 122, looking North. Typical gravelly ridge breaking off into small wash. North east exposure. Some Krameria, calliandra, and Aristida scabra. Small type of dense Ayenia pusilla as indicated. 1-Ayenia pusilla, 3-Krameria glandulosa, 4-Aristida scabra, 7-Calliandra eriophylla, 9-Aristida divaricata, 34-Aplopappus fruticosus, 36-Opuntia frigida, 37-Opuntia, 38-Parkinsonia, 39-Fouquieria. Elev. 3100, 9/16/32. Photo by Santa Rita Exp. Range. See also 2147 & 2452. 104-D. (Encl. #44).

Temp. No. 2147. Perm. No. 328929. Gravelly Ridge Project -- Photo Station No. 122 looking North. Typical gravelly ridge breaking off into small wash. Retake of 276410 taken in 1932. To be compared. Photo by Cribbs of S.R.E.R. 10/14/35. Exp. 1/25 - 14 - 8 - CP. See also 7136 & 2452. 104-D. (Encl. #44).

Permanent No. 344270. Temporary No. 2452. Photo Station #122. Gravelly Ridge Study area. 50 feet of Photo Station #1. Repeat of Temp. 1136 (Perm. 276410). Fair covering of annuals with a few perennials after 3 years of protection. Photo by Cribbs, S.R.E.R. 8/25/36. See also 2147. 104-D. (Encl #44).

PS 122. July 13, 2000, 9:45 a.m. Facing north. Pasture 16. ASA 125, Plus X film. 35mm lens focal length. Same view as 1932, 1935, and 1936 photos. Euryops removal in 1999 is apparent because plants present in 1998 photo are missing. M. McClaran.

PS. 122. 21 March 2007. Facing north, Azimuth 10. Pasture 16. Gravelly Ridge Study Area. Elevation 937 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above witness. Ocotillo present. Blue paloverde right midground, whitethorn acacia center midground. Mesquite alive center right midground. Celtis midground right. Cholla present. Ephedra midground right. Small shrubs Krameria dominant with Calliandra. Lehmann lovegrass and slender grama grasses. Windy and cloudy conditions. Compared to 2000, more grass now. M. McClaran photographer, A. Nafus assistant.

PS. 122. 15 March 2010 12:40 PM. Facing north, Azimuth 30. Pasture 16. Gravelly Ridge Study Area. Elevation 927 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Ocotillo present. Blue paloverde right midground, whitethorn acacia center midground. Mesquite alive center right midground. Celtis midground right. Cholla present. Ephedra midground right. Small shrubs Krameria dominant with Calliandra. Lehmann lovegrass and slender grama grasses. Windy conditions. Compared to 2007, the left acacia is smaller now. M. McClaran photographer, A. Dalke assistant.

PS. 122. 13 March 2016 12:13 PM. Facing north, Azimuth 30. Pasture 16. Gravelly Ridge Study Area. Elevation 927 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Ocotillo present. Blue paloverde right midground, whitethorn acacia center and right midground. Mesquite alive center right midground. Mesquite alive, and of the far distant plants near fence, the one of the left is alive, middle plant is dead, and right plant is alive; and the tall mesquite branch in the center background above the palo verde is alive. Celtis midground right. Cholla present. Ephedra midground right. Small shrubs Krameria dominant with Calliandra, janusia and senna. Lehmann lovegrass and slender grama, rothrock grama, cottontop, setaria, and three awn grasses. Windy conditions. Compared to 2010, one ocotillo in midground has died. M. McClaran photographer, K. Hawkes and D. Landreville assistants.

PS. 122. 11 March 2022 2:49 PM. Facing north, Azimuth 30. Pasture 16. Gravelly Ridge Study Area. Elevation 927 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above witness. Ocotillo present. Blue paloverde right midground, whitethorn acacia center and right midground. Mesquite alive center right midground. Mesquite in the far distant plants near fence, the one on the left is now dead, middle plant is dead, and right plant is still alive. Also, the tall mesquite branch in the center background above the palo verde is now dead. Death of these older mesquite may be result of the dry 2020 summer and dry 2020-21 winter. Celtis midground right and left. Cholla present. Ephedra midground right. Snakweed in wash. Small shrubs Krameria dominant with Calliandra, and Janusia. Aristida is only perennial grass in foreground before the wash in the background. Near that wash and under mesquite, find perennial grasses Lehmann lovegrass, cottontop, buffelgrass, Setaria, bush muhly, and Pappophorum. Windy conditions. Compared to 2016, increase in annual grasses from 2021 wet summer, lost perennial grasses Rothrock and slender gramas, old mesquite trees in distance died, some growth and some decline of cholla plant sizes, Acacia plants in foreground are larger, this is first year looking at grass plants near the wash. M. McClaran photographer, A. Gorlier assistant.