Holmes, Ricahrd Walker
Mines and minerals of the Great American Rift (Colorado-New Mexico) / Richard Walker Holmes and Marianna B. Kennedy. - New York : Van Nostrand Reinhold, c1983. - xii, 332 pages. : illustrations.
Includes bibliography and index.
Mines and mineral resources--Colorado
Mines and mineral resources--New Mexico
Mines and minerals of the Great American Rift (Colorado-New Mexico) / Richard Walker Holmes and Marianna B. Kennedy. - New York : Van Nostrand Reinhold, c1983. - xii, 332 pages. : illustrations.
Includes bibliography and index.
Mines and mineral resources--Colorado
Mines and mineral resources--New Mexico