Booklets:

Cunningham, Robert. It’s a Dog’s Life. Theodore Roosevelt Nature and History Association, n.d.

Horning, Dennis, and Marriott, Hollis. Free Climbs of Devils Tower. 1980.

Mattison, Ray H. Devils Tower National Monument—A History. Devils Tower Natural History Association, 1981.

Robinson, Charles S. Geology of Devils Tower National Monument, Wyoming. Devils Tower Natural History Association, n.d.

Van Bruggen, Theodore. Wildflowers of the Northern Plains and Black Hills. Badlands Natural History Association, 1976.

Index

Numbers in italics refer to photographs, illustrations, or maps.

[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] K L [M] [N] [O] [P] Q [R] [S] [T] U V [W] X [Y] Z

A Animal life [24], [29], [35], [47], [58], [69], [71]; photos [31], [37], [60]-61. See also [Birds]; [Deer]; [Prairie Dogs] Antiquities Act of 1906 [17]