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Andropogon only where favored, and in succession stages 1940-06-15 Colorado	Andropogon only where favored, and in succession stages 1940-06-15 Colorado	Andropogon only where favored, and in succession stages, Dup. P-7-1908 1940-06-15 Colorado
Detail - Muhlenbergia pungens tying down open sands 1940-06-15 Colorado	Andropogon only where favored, and in succession stages 1940-06-15 Colorado	Panorama duplicating the 1915 view of Blowout, general and vegetative, X-7 thru X-12-1915 1940-06-15 Colorado
Panorama duplicating the 1915 view of Blowout, general and vegetative, X-7 thru X-12-1916 1940-06-15 Colorado	Panorama duplicating the 1915 view of Blowout, general and vegetative, X-7 thru X-12-1917 1940-06-15 Colorado	Looking East from Blowout 1940-06-15 Colorado
Detail Cowania 1940-07-08 Arizona	Spruce below VT 1940-07-08 Arizona	Recovery spruce below VT 1940-07-08 Arizona
Spruce escape from deer 1940-07-08 Arizona	Spruce escape from deer 1940-07-08 Arizona	Dodds Blowout, Dup. V-11-1913 Cover is Muhlenbergia pungens 1940-08-02 Colorado
Dup. V-7-1913 1940-08-02 Colorado	Dup. V-4-1913 Muhlenbergia pungens indicates effect of warmer years 1940-08-02 Colorado	Dup. U-10-1915 Blowout 1940-08-02 Colorado
Similar to V-12 (1915?) (1907?) 1940-08-02 Colorado	Dup. 47-1907 1940-08-02 Colorado	Dup. V-5-1913 1940-08-02 Colorado
Panorama showing Dodds Blowout. Duplicate of V-8 through V-10-1913 1940-08-02 Colorado	Panorama showing Dodds Blowout. Duplicate of V-8 through V-10-1914 1940-08-02 Colorado	Panorama showing Dodds Blowout. Duplicate of V-8 through V-10-1915 1940-08-02 Colorado
Dup. of Q-6-1908 1940-08-02 Colorado