TY - BOOK AU - Sanford, Samuel, AU - Stone,Ralph W. TI - Useful minerals of the United States T2 - U.S. Geological survey. Bulletin 585 AV - QE75 .B9 no.85 PY - 1914/// CY - Washington PB - Govt. Print. Off. KW - Mines and mineral resources KW - United States ER -