Santa Rita Experimental Range
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Photo Station #092



MAR19260 MAR 1926 1

Photo Archive No. 92.1.1926.03

Temp. No. 268. 207941. Spring growth of California Poppies in Pasture 8 along south side of road before going into pasture 11. Santa Rita R.R. (1/5x27. good sun). Photo Sta #92. Compare with 249879. Taken 3/25/26. 104-C.

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AUG19300 AUG 1930 1

Photo Archive No. 92.1.1930.08

Temp. No. 707. Permanent No. 249879. Photo taken on north side of wash below Parker's ranch in Pasture 8 to be compared with Photo No. 207941. August 1930. Photo Sta. 92. 52 C-8. 104-C.

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AUG19850 AUG 1985 1

Photo Archive No. 92.1.1985.08

PS 92. Azimuth 298. Aug. 22, 1985. RFB. Canon AE-1 camera (35mm). 35mm WA lens. Robert F. Buttery.

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MAY20001 MAY 2000 1

Photo Archive No. 92.1.2000.05

PS 92. May 5, 2000, 3:00 p.m. Facing northwest. Azimuth 298. Pasture 8. ASA 135, Plus X film. 35mm lens focal length. 50' south side of road, between wash and road; 200' west of where road crosses wash; marked post in grove of 4 mesquite. Question if same place as 1930 and 1926 photos. Shrub on right foreground in both 1985 and 2000 photos is Celtis; first shrub in left midground is living catclaw in both 1985 and 2000 photos. Eragrostis lehmanniana. Few Digitaria californica under mesquite; Heteropogon contortus in open; few burroweed and snakeweed. M. McClaran.

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092_1_2007_04 APR 2007 1

Photo Archive No. 92.1.2007.04

PS. 092. 11 April 2007. Facing west, Azimuth 298. Pasture 8. Elevation 1155 m. ISO 100, 35mm focal length, Canon 5D Digital Camera. Witness present, camera above. Not a good match for 1926 and 1930 photos because no Celtis in those pictures. In fact, the 1926 and 1930 do not match each other. The current photo matches 1985 and 2000 photos. Mesquite, catclaw left midground, Celtis right midground and behind left mesquite, scattered littleleaf baccharis and snakeweed. Prickly pear. Lehmann lovegrass dominant, occasional black grama in open areas and cottontop under mesquite. Compared to 2000, less grass. M. McClaran photographer, M. McGregor assistant.

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092_1_2013_03 MAR 2013 1

Photo Archive No. 92.1.2013.03

PS. 092. 27 March 2013. 10:07 am. Facing west, Azimuth 295. Pasture 8. Elevation 1147 m. ISO 125, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Not a good match for 1926 and 1930 photos because no Celtis in those pictures. In fact, the 1926 and 1930 do not match each other. The current photo matches 1985 and 2000 photos. Mesquite, catclaw left midground, Celtis right midground and behind left mesquite, scattered littleleaf baccharis and snakeweed. Prickly pear. Lehmann lovegrass dominant, occasional black grama in open areas and cottontop and Setaria under mesquite in left background. Compared to 2007, more grass; shrub in center foreground is dead; and increase in size and number of snakeweed plants. M. McClaran photographer, K. Hawkes assistant.

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092_1_2019_03 MAR 2019 1

Photo Archive No. 92.1.2019.03

PS. 092. 07 March 2019. 10:20 am. Facing west, Azimuth 295. Pasture 8. Elevation 1147 m. ISO 160, 35mm focal length, Canon 5D Mark II Digital Camera. Witness present, camera above. Not a good match for 1926 and 1930 photos because no Celtis in those pictures. In fact, the 1926 and 1930 do not match each other. The current photo matches 1985 and 2000 photos. Mesquite, catclaw left midground, Celtis right midground and behind left mesquite, scattered littleleaf baccharis, Zinnia, Lycium behind Celtis and Ziziphus near Celtis, and snakeweed. Prickly pear. Lehmann lovegrass dominant, occasional black grama in open areas and cottontop and Setaria under mesquite in left and right background. Compared to 2013, more grass; shrub in center foreground is dead; more grass species including tanglehead, threeawns and bush muhly; and increase in size of snakeweed plants. M. McClaran photographer, A. Gorlier assistant.

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Last updated - March 2020
Mitchel McClaran - mcclaran@u.arizona.edu