Black Canyon of the Gunnison In Depth
Wallace R. Hansen. The geologic story to one of the most unique canyons in North America. Contains maps, helpful diagrams and color photographs. 58 pages.
Order # B0165 ........ $9.95

Geologic Cross Section of the Black Canyon of the Gunnison
A guide to the geology of the canyon. Includes cross section diagram with rock layers and time periods. 8 pages.
Order # B0410 ........ $.50

Roadside Geology of Colorado
Halka Chronic and Felicie Williams. This book is designed to give both Coloradoans and visitors, especially those with little or no geologic training, a feeling for the long prehistory of Colorado. 400 pages.
Order # R2455 ........ $20.00

Guide to Colorado Wildflowers Volume 1: Plains & Foothills
G.K. Guennel. Full of outstanding photographs and sketches, this is a great wildflower guide to the plains. 336 pages.
Order # G2616 ........ $24.95

Guide to Colorado Wildflowers Volume 2: Mountains
G.K. Guennel. The full array of mountain flowers is described in this fantastic guide to the colorful treasures of the mountains. 352 pages.
Order # G2517 ........ $24.95