Small pamphlet describing some of the history and techniques of gold panning on the Colorado River. 52 pages. Includes black and white photographs. Written by Dell R. Foutz, Ph.D.
Small pamphlet describing the geology of Colorado National Monument in Colorado. 58 pages. Includes black and white photographs and maps. Written by S.W Lohman.
Small pamphlet describing the history of mining at the Tabor's Matchless Mine in Leadville, Colorado. 24 pages. Includes black and white photographs. Written by Caroline Bancroft.
Small pamphlet describing some of the history of Leadville, Colorado. 52 pages. Includes black and white photographs. Written by Mrs. Helen Skala and Mrs. Dora Krocesky
Small pamphlet describing the history of Mesa Verde, Colorado. 37 pages. Includes black and white photographs. Written by William H Jackson and William M Holmes.
Small pamphlet describing the history of the Gold camp in Cripple Creek, Colorado. 68 pages. Includes black and white photographs. Written by Leland Feitz.