Fossils A Story of the rocks and their record of prehistoric life. 1961. Denver Museum of Natural History. 95 pages.
3 from the U.S. Department of the Interior: Geologic Time. 1994. 20 pages.
Geology of Caves. 1990. 19 pages.
Mountains and Plains. Denver's Geologic Setting. 1976. 23 pages.
All heavily illustrated and good or better condition.
4 on basic Geology
$13.00Price
Excluding Sales Tax
