Santa Rita Experimental Range
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Photo Station #249



JUL19481 JUL 1948 1

Photo Archive No. 249.1.1948.07

7-48. A48-150. P.S. 249 first photo. Pasture 6A about 1/4 mile N. of pasture 7 to 6A gate. West side of the road. Looking SW. Scant grass cover, Ber, Agl, and other. Scattered Afr good stand Pve along washes. Very closely grazed and suffering from the drought. SRER. Culley. 10H(3)b.

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SEP19521 SEP 1952 1

Photo Archive No. 249.1.1952.09

P.S. 249. B-52-42. Pasture 6A near Helvetia Rim. Looking SW. 25-45-13 3/4". Repeat of A-48-150. Bohning, SRER. 29 Sept. 1952.

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JUN19531 JUN 1953 1

Photo Archive No. 249.1.1953.06

P.S. 249. B-53-18. Past. 6A on Upper Helvetia Rd. Looking to South. 25-45-13 3/4". Repeat of A-48-150. Bohning, SRER. 12 June 1953.

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SEP19531 SEP 1953 1

Photo Archive No. 249.1.1953.09

P.S. 249. B-53-68. Past. 6A on Upper Helvetia Rd. Looking SW. 40-45-13 3/4". Repeat of A-48-150. Bohning, SRER. 24 Sept. 1953.

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JUN19541 JUN 1954 1

Photo Archive No. 249.1.1954.06

P.S. 249. B-54-29. Past. 6A looking to southwest. 50-45-13 3/4". Repeat of A-48-150. Bohning, SRER. 23 June 1954.

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SEP19541 SEP 1954 1

Photo Archive No. 249.1.1954.09

P.S. 249. B-54-64. Past. 6A looking to SW. 50-45-13 3/4". Repeat of A-48-150. Bohning, SRER. 10 Sept. 54.

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JUN19551 JUN 1955 1

Photo Archive No. 249.1.1955.06

P.S. 249. B-55-5. Past. 6A on upper Helvetia Rd. Looking SW. 1/50-f45-40'. Repeat of A-48-150. Bohning, SRER. 20 June 1955.

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SEP19551 SEP 1955 1

Photo Archive No. 249.1.1955.09

P.S. 249. B-55-57. Past. 6A on upper Helvetia Rd. Looking SW. 1/50-f45-40'. Repeat of A-48-150. Bohning, SRER. 19 Sept. 1955.

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JUN19561 JUN 1956 1

Photo Archive No. 249.1.1956.06

B-56-15. 6/20/56. SRER. P.S. 249 to southwest. Pasture 7 (1/50-f.22-25').

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OCT19561 OCT 1956 1

Photo Archive No. 249.1.1956.10

B-56-146. 10/20/56. SRER, P.S. 249 to SW, Past. 6A. Repeat of A-48-150 (1/50-f.22-100').

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JUL19871 JUL 1987 1

Photo Archive No. 249.1.1987.07

PS 249. Azimuth 197. July 24, 1987. RFB. Canon AE-1 35mm camera. 35mm WA lens. Robert F. Buttery.

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APR20001 APR 2000 1

Photo Archive No. 249.1.2000.04

PS 249. April 21, 2000, 9:45 a.m., day is overcast. Facing south. Azimuth 197. Pasture 6A. Plus X, ASA 125 film. 35mm lens focal length. About 500 north of PS 53; witness present and marked; visible from road. Midground low shrub is Acacia greggii. Left distance, mesquite has large Zizyphus obtusifolia in it. Best stand of Bouteloua eriopoda researcher has ever seen on the Santa Rita. Also Bouteloua filiformis and some Eragrostis lehmanniana. Ferocactus wislizenii skeleton present. M. McClaran.

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249_1_2007_04 APR 2007 1

Photo Archive No. 249.1.2007.04

PS. 249. 02 April 2007. Facing south, Azimuth 197. Pasture 6A. Elevation 1257 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above. Mesquite alive, catclaw center midground. Prickly pear, barrel and cholla cacti. Black grama dominant grass, also find Lehmann lovegrass, cottontop; bush muhly and Setaria under large mesquites. Large mesquite in 1948 still present and mostly visible. 1948 photo probably taken from truck bed to gain perspective. Compared to 2000, more prickly pear, larger barrel and catlcaw, less grass. M. McClaran photographer, C. McMurtry assistant.

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249_1_2011_03 MAR 2011 1

Photo Archive No. 249.1.2011.03

PS. 249. 16 March 2011. 11:05 AM. Facing south, Azimuth 200. Pasture 6A. Elevation 1248 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Mesquite alive, catclaw center midground. Prickly pear, barrel and cholla cacti. Black grama dominant grass, also find Lehmann lovegrass, Rothrock grama, slender grama, threeawns, cottontop; bush muhly and Setaria under large mesquites. Large mesquite in 1948 still present and mostly visible. 1948 photo probably taken from truck bed to gain perspective. Compared to 2007, slightly more grass, prickly pear in poor condition. M. McClaran photographer, A. Dalke assistant.

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249_1_2017_03 MAR 2017 1

Photo Archive No. 249.1.2017.03

PS. 249. 16 March 2017. 11:20 AM. Facing south, Azimuth 200. Pasture 6A. Elevation 1248 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Mesquite alive, catclaw center midground, one burroweed in foreground, and graythorn near mid-ground wash. Prickly pear and cholla cacti. Black grama dominant grass, also find Lehmann lovegrass, Rothrock grama, slender grama, threeawns, cottontop; bush muhly and Setaria under large mesquites. Large mesquite in 1948 still present and mostly visible. The 1948 photo probably taken from truck bed to gain perspective, and was located ~2.5 m to the south and the foreground catlcaw was present then. Compared to 2011, more grass mass now, the 3 prominent barrel cactus in 2011 are dead, and less prickly pear. M. McClaran photographer, K. Hawkes assistant.

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249_1_2023_03 MAR 2023 1

Photo Archive No. 249.1.2023.03

PS. 249. 10 March 2023. 10:25 AM. Facing south, Azimuth 200. Pasture 6A. Elevation 1248 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Mesquite alive, catclaw center midground, one burroweed in foreground, and graythorn near mid-ground wash. Prickly pear and cholla cacti. Lehmann lovegrass dominant grass, also found black grama, Sporobolus, threeawns, cottontop; bush muhly, sprangletop, and Setaria under large mesquites. Large mesquite in 1948 still present and mostly visible. The 1948 photo probably taken from truck bed to gain perspective, and was located ~2.5 m to the south and the foreground catlcaw was present then. Compared to 2017, more grass mass and cover; added sprongletop and Sporobolus; lost Rothrock and slender grama; and lost prickly pear in center of photo. M. McClaran photographer, A. Gorlier assistant.

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JUL19480 JUL 1948 2

Photo Archive No. 249.2.1948.07

7-48. A48-151. P.S. 249 first photo looking NW. Scant grass cover. Agl, Ber and others. Afr coming in, Pve along washes. Very closely grazed and suffering from the drought. SRER. Culley. 10H(3)b.

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SEP19520 SEP 1952 2

Photo Archive No. 249.2.1952.09

P.S. 249. B-52-41. Pasture 6A near Helvetia Rim. Looking NW. 25-45-13 3/4". Repeat of A-48-151. Bohning, SRER. 29 Sept. 1952.

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JUN19530 JUN 1953 2

Photo Archive No. 249.2.1953.06

P.S. 249. B-53-17. Past. 6A on Upper Helvetia Rd. Looking to West. 25-45-13 3/4". Repeat of A48-151. Bohning, SRER. 12 June 1953.

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SEP19530 SEP 1953 2

Photo Archive No. 249.2.1953.09

P.S. 249. B-53-69. Past. 6A on Upper Helvetia Rd. Looking to West. 40-45-13 3/4". Repeat of A-48-151. Bohning, SRER. 24 Sept. 1953.

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JUN19540 JUN 1954 2

Photo Archive No. 249.2.1954.06

P.S. 249. B-54-28. Past. 6A. Looking to Northwest. 40-32-13 3/4". Repeat of A-48-151. Bohning, SRER. 23 June 1954.

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SEP19540 SEP 1954 2

Photo Archive No. 249.2.1954.09

P.S. 249. B-54-65. Past. 6A looking to NW. 60-45-13 3/4". Repeat of A-48-151. Bohning, SRER. 10 Sept. 54.

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JUN19550 JUN 1955 2

Photo Archive No. 249.2.1955.06

P.S. 249. B-55-8. Past. 6A on upper Helvetia Rd. looking NW. 1/50-f45-35'. Repeat of A-48-151. Bohning, SRER. 20 June 1955.

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SEP19550 SEP 1955 2

Photo Archive No. 249.2.1955.09

P.S. 249. B-55-56. Past. 6A on upper Helvetia Rd. Looking NW. 1/50-f45-45'. Repeat of A-48-151. Bohning, SRER. 19 Sept. 1955.

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JUN19560 JUN 1956 2

Photo Archive No. 249.2.1956.06

B-56-16. 6/20/56. SRER. P.S. 249 to northwest, Past. 7 (1/50-f.22-25').

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OCT19560 OCT 1956 2

Photo Archive No. 249.2.1956.10

B-56-147. 10/20/56. SRER, P.S. 249 to NW, Past. 6A. Repeat of A-48-151 (1/50-f.22-30').

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JUL19870 JUL 1987 2

Photo Archive No. 249.2.1987.07

PS 249. Azimuth 300. July 24, 1987. RFB. Canon AE-1 35mm camera. 35mm WA lens. Robert F. Buttery.

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APR20002 APR 2000 2

Photo Archive No. 249.2.2000.04

PS 249. April 21, 2000, 9:45 a.m., day is overcast. Facing northwest. Azimuth 300. Pasture 6A. Plus X, ASA 125 film. 35mm lens focal length. About 500' north of PS 53; witness present and marked; visible from road. Large tree on right has Acacia greggii as oldest part, and Zizyphus obtusifolia within and taller. Foreground right is Acacia greggii. Dominant grass is Eragrostis lehmanniana with abundant Bouteloua eriopoda. Chollas about to flower. M. McClaran.

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249_2_2007_04 APR 2007 2

Photo Archive No. 249.2.2007.04

PS. 249. 02 April 2007. Facing northwest, Azimuth 300. Pasture 6A. Elevation 1257 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above. Mesquite alive, catclaw foreground center and right and small plant left of barrel cactus. Large graythorn midground right and behind it very large/old catclaw which was present in 1948 photo. Large trees in 1948 photo are present behind smaller mesquite. Prickly pear, barrel and cholla cacti. Lehmann lovegrass dominant grass, also find black grama, threeawns, cottontop, and very distant Boer’s lovegrass and sideoats grama; bush muhly under large mesquites. Compared to 2000, less grass, more prickly pear, larger barrel. M. McClaran photographer, C. McMurtry assistant.

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249_2_2011_03 MAR 2011 2

Photo Archive No. 249.2.2011.03

PS. 249. 16 March 2011. 11:15 AM. Facing northwest, Azimuth 300. Pasture 6A. Elevation 1248 m. ISO 100, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Mesquite alive, catclaw foreground center and right and small plant left of barrel cactus. Large graythorn midground right and behind it very large/old catclaw which was present in 1948 photo. Large trees in 1948 photo are present behind smaller mesquite. Prickly pear, barrel and cholla cacti. Lehmann lovegrass dominant grass, also find black grama, threeawns, cottontop, and very distant Boer’s lovegrass; bush muhly under large mesquites and Setaria under large graythorn. Compared to 2007, more grass, prickly pear in poor condition, and no sideoats in view. M. McClaran photographer, A. Dalke assistant.

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249_2_2017_03 MAR 2017 2

Photo Archive No. 249.2.2017.03

PS. 249. 16 March 2017. 11:20 AM. Facing northwest, Azimuth 300. Pasture 6A. Elevation 1248 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Mesquite alive, catclaw foreground center and right and small plant left of graythorn. Large graythorn midground right and behind it very large/old mesquite (with catclaw and Celtis beneath) which was present in 1948 photo. Large trees in 1948 photo are present behind smaller mesquite. Prickly pear, barrel and cholla cacti. Lehmann lovegrass dominant grass, also find black grama, threeawns, cottontop, Rothrock, sideoats, and very distant Boer’s lovegrass; bush muhly under large mesquites and Setaria under large graythorn. Compared to 2011, more grass mass and more on hillside as well; less prickly pear, and prominent barrel cactus at right mid-ground is now dead. M. McClaran photographer, K. Hawkes assistant.

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249_2_2023_03 MAR 2023 2

Photo Archive No. 249.2.2023.03

PS. 249. 10 March 2023. 10:30 AM. Facing northwest, Azimuth 300. Pasture 6A. Elevation 1248 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Mesquite alive, catclaw foreground center and right and small plant left of graythorn. Large graythorn midground right and behind it very large/old mesquite (with catclaw and Celtis beneath) which was present in 1948 photo. Large trees in 1948 photo are present behind smaller mesquite. Now, the two old trees on the right are dead, but the large old tree in the center is still alive and it has graythorn and Celtis beneath it. Barrel and cholla cacti. Lehmann lovegrass dominant grass, also found black grama, cottontop, and very distant Boer’s lovegrass; bush muhly and Setaria under large mesquites and Setaria under large graythorn. Compared to 2017, slight increase in grass cover and mass; less grass cover on hillside; and lost prickly pear, Rothrock grama, sideoats grama, and threeawn. M. McClaran photographer, A. Gorlier assistant.

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