Santa Rita Experimental Range
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Photo Station #230



19021 1902 1

Photo Archive No. 230.1.1902

PS 230. 1902. Griffiths No. 1092. A portion of the fence line. The shrubbery shown here is mainly Cats-claw (Acacia gregii). NOTE: Griffiths Photo No. 1094 also archived under this number but not included on the web page is basically the same view.

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SEP19412 SEP 1941 1

Photo Archive No. 230.1.1941.09

A-1944. Photo Sta. No. 230. Retake of Photo No. 1094 originally taken by Griffiths about 1902. Some increase in shrubs is noticeable. Grass cover appears equally as good and is made up at present of perennial grasses. (5x7) Sept. 1941. Made w/WA Lens. 104.

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OCT19512 OCT 1951 1

Photo Archive No. 230.1.1951.10

P.S. 230. B-51-46. Looking north. 40-32-13-3/4". Repeat of Griffith 1094. Bohning, SRER. 1 Oct 1951.

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NOV20001 NOV 2000 1

Photo Archive No. 230.1.2000.11

PS 230. November 2, 2000, 11:30 a.m. Facing north. Pasture 6B. ASA 100 TMAX film. 35mm lens focal length. Foreground calliandra, Rothrock, sprucetop, sideoats, slender grama; mesquite on right; few Eragrostis lehmanniana. M. McClaran.

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230_1_2007_04 APR 2007 1

Photo Archive No. 230.1.2007.04

PS. 230. 23 April 2007. Facing north, Azimuth 000. Pasture 6B. Elevation 1262 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present in chainfruit cholla, camera above. Mesquite, small ocotillo where barrel cactus was present in 2000. Some of the same mesquite present as in 1941 photo. Also find Krameria, Calliandra small shrub species, cholla and prickly pear cacti. Sideoats grama, Lehmann lovegrass, sprucetop grama, threeawns, black grama grass species. Compared to 2000, lost one barrel cactus, and some prickly pear reduction in foreground. M. McClaran photographer, S. Kurc assistant.

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230_1_2011_03 MAR 2011 1

Photo Archive No. 230.1.2011.03

PS. 230. 17 March 2011. 10:30 AM. Facing north, Azimuth 355. Pasture 6B. Elevation 1256 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present in chainfruit cholla, camera above. Mesquite, small ocotillo where barrel cactus was present in 2000, and another to the left. Some of the same mesquite present as in 1941 photo. Also find Krameria and Calliandra small shrub species, cholla and prickly pear cacti. Grass dominance: Lehmann lovegrass, black grama, sideoats grama, sprucetop grama, and threeawn. Compared to 2007, more grass, prickly pear in poor condition, and second small ocotillo in foreground. M. McClaran photographer, A. Dalke assistant.

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230_1_2017_03 MAR 2017 1

Photo Archive No. 230.1.2017.03

PS. 230. 17 March 2017. 10:15 AM. Facing north, Azimuth 355. Pasture 6B. Elevation 1256 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present in chainfruit cholla, camera above. Mesquite, small ocotillo where barrel cactus was present in 2000, and another to the left. Some of the same mesquite present as in 1941 photo. Also find Krameria and Calliandra small shrub species, cholla and prickly pear cacti. Grass dominance: Lehmann lovegrass, black grama, sideoats grama, sprucetop grama, cane beardgrass, Rothrock grama, and threeawn. Since 2011, more perennial grass cover and mass, including on opposite slope; and tall barrel cactus (right midground) is now dead. M. McClaran photographer, K. Hawkes assistant.

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230_1_2023_03 MAR 2023 1

Photo Archive No. 230.1.2023.03

PS. 230. 08 March 2023. 12:30 PM. Facing north, Azimuth 355. Pasture 6B. Elevation 1256 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present in chainfruit cholla, camera above. Had to cut back cholla access fence post. The white features in the distance center are berms associated with new mining activity to the east. Mesquite alive. Ocotillo and barrel cactus are present. Some of the same mesquite present as in 1941 photo. Also found Krameria, Mimosa biuncifera, and Calliandra small shrub species; and cholla. Grass dominance: Lehmann lovegrass, black grama, sideoats grama, slender grama, bush muhly, and threeawn. On the hill to the left, find ocotillo, prickly pear and barrel cactus. Compared to 2017, foreground grass density and mass increased; added Mimosa, bush muhly, and slender grama; slight decline in prickly pear cover; lost cane beardgrass and sprucetop grama. M. McClaran photographer, A. Gorlier and H. Elias assistants.

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19022 1902 2

Photo Archive No. 230.2.1902

PS 230. 1902. Griffiths No. 1091. Shows a portion of our proposed fence line, part of which was the most difficult strip of fence we had to build. It passes over the saddle in the mountain and is on rocky ground. This picture was taken from a point about 500 feet South of the Northwest corner of Section 22, Township 18, Range 15. It also indicates the method of marking the line.

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SEP19410 SEP 1941 2

Photo Archive No. 230.2.1941.09

A-1943. Photo Sta. No. 230. Retake of photo No. 1091 originally taken by Griffiths about 1902. A noticeable increase in mesquite has occurred in the interim. General ground-cover conditions appear as good now as then. Mixed perennial grasses form the major portion of the present ground cover (5x7). Sept. 1941. Made w/WA Lens.104.

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JUN19480 JUN 1948 2

Photo Archive No. 230.2.1948.06

6-48. A48-104. P.S. 230 repeat photo of A1943 except made with regular lens. Some increase in Pve and some loss in density of grasses. Afr apparently not much change unless it is lighter now. Area closely grazed and suffering from the drought. SRER. Culley. 10H(3)b. Not exact field of view as in earlier photo.

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NOV19500 NOV 1950 2

Photo Archive No. 230.2.1950.11

11/50. R-230. Santa Rita Exp. Range, Ariz. Repeat of Photo station 230. H.G. Reynolds. 10H(3)b.

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SEP19510 SEP 1951 2

Photo Archive No. 230.2.1951.09

P.S. 230. B-51-45. Looking south. 60-32-13 3/4". Repeat of Griffith 1091. Bohning, SRER. 24 Sept. 1951.

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OCT19510 OCT 1951 2

Photo Archive No. 230.2.1951.10

P.S. 230. B-51-47. Looking south. 45-32-13-3/4". Repeat of Griffith 1091. Bohning, SRER. 1 Oct. 1951.

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JAN19870 JAN 1987 2

Photo Archive No. 230.2.1987.01

PS 230. Azimuth 180. Jan. 4, 1987. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery.

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NOV20002 NOV 2000 2

Photo Archive No. 230.2.2000.11

PS 230. November 2, 2000, 11:40 a.m. Facing south. Azimuth 180. Pasture 6B. ASA 100 TMAX film. 35mm lens focal length. Catclaw in foreground right and left; tanglehead in cactus in middle foreground; slender grama, Rothrock, and sideoats. M. McClaran.

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230_2_2007_04 APR 2007 2

Photo Archive No. 230.2.2007.04

PS. 230. 23 April 2007. Facing south, Azimuth 180. Pasture 6B. Elevation 1262 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present in chainfruit cholla, camera above. Mesquite, small ocotillo where barrel cactus was present in 2000. Mesquite in midground right was small plant in 1941 photo. Also find Krameria, Calliandra, and Zinnia small shrub species, cholla and prickly pear cacti. Sideoats grama, tanglehead, sprucetop grama, threeawns, black grama grass species. Compared to 2000, one new barrel cactus bottom right, and more prickly pear. M. McClaran photographer, S. Kurc assistant.

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230_2_2011_03 MAR 2011 2

Photo Archive No. 230.2.2011.03

PS. 230. 17 March 2011. 10:20 AM. Facing south, Azimuth 180. Pasture 6B. Elevation 1256 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present in chainfruit cholla, camera above. Mesquite in midground right was small plant in 1941 photo. Also find Krameria, Calliandra, and Zinnia small shrub species, cholla and prickly pear cacti. Catclaw in large plant in right foreground. Grass dominance: Lehmann lovegrass, tanglehead, sprucetop grama, black grama, threeawns, and cottontop. Compared to 2007, more grass and prickly pear in poor condition. M. McClaran photographer, A. Dalke assistant.

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230_2_2017_03 MAR 2017 2

Photo Archive No. 230.2.2017.03

PS. 230. 17 March 2017. 10:25 AM. Facing south, Azimuth 180. Pasture 6B. Elevation 1256 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present in chainfruit cholla, camera above. Mesquite in midground right was small plant in 1941 photo. Also find Krameria, Calliandra, ocotillo, and Zinnia small shrub species, cholla, prickly pear, and Mammillaria cacti. Catclaw in large plant in right foreground. Grass dominance: Lehmann lovegrass, tanglehead, sprucetop grama, black grama, threeawns, cottontop, cane beardgrass, curly mesquite and bush muhly. Since 2011, increase of tanglehead density and cover, increase of Zinnia density; less prickly pear density and mass, increase cholla density, barrel cactus in bottom right is now dead. M. McClaran photographer, K. Hawkes assistant.

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230_2_2023_03 MAR 2023 2

Photo Archive No. 230.2.2023.03

PS. 230. 08 March 2023. 12:40 PM. Facing south, Azimuth 180. Pasture 6B. Elevation 1256 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present in chainfruit cholla, camera above. Had to cut back cholla access fence post. Our truck is visible in the center distance. The recent images are a better match for the 1902 and 1941 images than the narrower view in the 1948 image. Mesquite in midground right was small plant in 1941 photo. Also find Krameria, Calliandra, ocotillo, and Zinnia small shrub species, cholla, prickly pear, barrel, and Mammillaria cacti. Catclaw in large plant in right foreground. Grass dominance: Lehmann lovegrass, tanglehead, sprucetop grama, sideoats grama, Rothrock grama, cottontop, cane beardgrass, curly mesquite and bush muhly. Compared to 2017, increase in grass cover and mass with Lehmann lovegrass increasing the most; added Rothrock and sideoats grama species; added barrel cactus in left mid-ground; lost barrel in left midground, black grama and threeawns; ocotillo in center foreground is larger. M. McClaran photographer, A. Gorlier and H. Elias assistants.

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JUN19481 JUN 1948 3

Photo Archive No. 230.3.1948.06

6-48. A48-105. First photo looking W. against small hill, note heavy cholla stand. P.S. 230, SRER. Culley. 10H(3)b.

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JAN19871 JAN 1987 3

Photo Archive No. 230.3.1987.01

PS 230. Azimuth 270. Jan. 4, 1987. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery.

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NOV20003 NOV 2000 3

Photo Archive No. 230.3.2000.11

PS 230. November 2, 2000, 11:45 a.m. Facing west. Azimuth 270. Pasture 6B. ASA 100 TMAX film. 35mm lens focal length. Foreground calliandra, sideoats, sprucetop, threeawn, slender grama, black grama. Left foreground mesquite. Few Eragrostis lehmanniana. M. McClaran.

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230_3_2007_04 APR 2007 3

Photo Archive No. 230.3.2007.04

PS. 230. 23 April 2007. Facing west, Azimuth 270. Pasture 6B. Elevation 1262 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present in chainfruit cholla, camera above. Mesquite, small ocotillo where barrel cactus was present in 2000. Some of the same mesquite present as in 1948 photo. In 1948 more cholla and less prickly pear, whereas now dominated by prickly pear. Catclaw in prickly pear in right foreground. In distant wash/cut find catclaw acacia and shrubby buckwheat. Also find Krameria, Calliandra small shrub species, cholla and prickly pear cacti. Sideoats grama, Lehmann lovegrass, sprucetop grama, threeawns, black grama grass species. Compared to 2000, some prickly pear reduction in foreground. M. McClaran photographer, S. Kurc assistant.

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230_3_2011_03 MAR 2011 3

Photo Archive No. 230.3.2011.03

PS. 230. 17 March 2011. 10:15 AM. Facing west, Azimuth 270. Pasture 6B. Elevation 1256 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present in chainfruit cholla, camera above. Some of the same mesquite present as in 1948 photo. In 1948 more cholla and less prickly pear, whereas now dominated by prickly pear. Catclaw in prickly pear in right foreground. In distant wash/cut find catclaw acacia and shrubby buckwheat. Also find Krameria, Calliandra small shrub species, cholla and prickly pear cacti. Grass dominance: Lehmann lovegrass, black grama, sprucetop grama, sideoats grama. Compared to 2007, more grass, prickly pear in poor condition. M. McClaran photographer, A. Dalke assistant.

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230_3_2017_03 MAR 2017 3

Photo Archive No. 230.3.2017.03

PS. 230. 17 March 2017. 10:15 AM. Facing west, Azimuth 275. Pasture 6B. Elevation 1256 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present in chainfruit cholla, camera above. Some of the same mesquite present as in 1948 photo. In 1948 more cholla and less prickly pear, whereas now dominated by prickly pear. Catclaw in prickly pear in right foreground. In distant wash/cut find catclaw acacia, shrubby buckwheat, Krameria, Lehmann lovegrass, bush muhly, sprucetop grama. Also not in wash, Calliandra, burroweed; cholla, barrel, and prickly pear cacti. Grass dominance: Lehmann lovegrass, black grama, sprucetop grama, sideoats grama, tanglehead, and threeawn. Since 2011, less prickly pear density; less cholla density, increase perennial grass density and cover. M. McClaran photographer, K. Hawkes assistant.

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230_3_2023_03 MAR 2023 3

Photo Archive No. 230.3.2023.03

PS. 230. 08 March 2023. 12:50 PM. Facing west, Azimuth 275. Pasture 6B. Elevation 1256 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present in chainfruit cholla, camera above. Had to cut back cholla access fence post. The recent images are a good match with the original 1948 image for this direction. Some of the same mesquite present as in 1948 photo. In 1948 more cholla and less prickly pear, whereas now there seems to be an equal mix of these two cactus species. Mesquite throughout. Catclaw in prickly pear in right foreground. In distant wash/cut found bush muhly, graythorn, Mimosa, shrubby buckwheat, Calliandra, and barrel cactus. Outside of the wash, found Krameria, Mammillaria, hairy, Rothrock, and slender grama, cottontop, curly mesquite, Calliandra, burroweed, Zinnia, cholla, prickly pear, and barrel cacti. Grass dominance: Lehmann lovegrass, black grama, sideoats grama, tanglehead, and threeawn. Compared to 2017, increase in grass cover and mass, especially Lehmann lovegrass; added hairy, slender, and Rothrock grama, cottontop, curly mesquite grasses, Krameria and Zinnia not in wash, barrel cactus in the wash; added a group of barrel cacti in the center of the slope across the wash; decline of prickly pear density across the wash; and lost sprucetop and slender grama. M. McClaran photographer, A. Gorlier and H. Elias assistants.

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