Columbia subject headings:
Harvard subject headings:
Geology, Structural--North America.
Geology, Structural--Southwestern States.
Geology--Southwestern States.
Kelley, Vincent Cooper, 1904-
Mines and mineral resources--North America.
Mines and mineral resources--Southwestern States.
North America
Southwestern States.
Princeton subject headings:
Kelley, Vincent C. (Vincent Cooper), 1904-1988.