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Encelia farinosa, Ocotillo, etc 1936-03-27 Arizona	Palo verde 1936-03-27 Arizona	Palmer's Thrasher 1936-03-27 Arizona
Thrasher 1936-03-27 Arizona	Thrasher 1936-03-27 Arizona	Encelia farinosa 1936-03-27 Arizona
Baileya 1936-03-27 Arizona	Baileya 1936-03-27 Arizona	Echinocereus engelmannii 1936-04-10 Arizona
Echinocereus engelmannii 1936-04-10 Arizona	Gaertneria dumosa, Opuntia fulgida 1936-04-10 Arizona	Short grass along edge where protected from grazing 1937-05-23 Colorado
Pasture 1937-05-23 Colorado	Effect of horse grazing, Bouteloua gracilis pulled out and dropped 1937-05-23 Colorado	Duplicate of 1908-1916 tree claim - hog, cattle damage 1937-05-23 Colorado
Tree claim duplicate shot 1937-05-23 Colorado	Detail of short grass cover gone except Bouteloua gracilis 1937-05-24 Colorado	Short grass in pasture 1937-05-24 Colorado
Short grass cover gone except Bouteloua gracilis 1937-05-24 Colorado	Buchloe dactyloides in swale 1937-05-24 Colorado	Bromus tectorum coming into short grass 1937-05-24 Colorado
Akron Trees 1937-05-24 Colorado	Buffalo and grama spotted 1937-05-24 Colorado	Duplicate of 1908 vegetation - shortgrass, overgrazed into weeds - remnant wiregrass 1937-05-24 Colorado
Weeds in damaged shortgrass 1937-05-24 Colorado