Ore deposits of the United States, 1933-1967. The Graton-Sales volume. John D. Ridge, editor.

Xehetasun bibliografikoak
Erakunde egilea:	American Institute of Mining, Metallurgical and Petroleum Engineers
Beste egile batzuk:	Graton, Louis Caryl 1880-1939, Sales, Reno H., Ridge, John D.
Formatua:	Liburua
Hizkuntza:	ingelesa
Argitaratua:	New York s.n. 1968.
Saila:	Rocky Mountain fund series
Gaiak:	Ore-deposits > United States. Mines and mineral resources > United States. Geology, Economic > United States.