TY - BOOK ID - 135151192 TI - Economic geology of the Central City District, Gilpin County, Colorado AU - Sims, P. K. AU - Drake, Avery Ala AU - Tooker, Edwin W. AU - Geological Survey (U.S.) AU - U.S. Atomic Energy Commission PY - 1963 PB - Washington : United States Department of the Interior, Geological Survey, DB - UniCat KW - Geology, Economic KW - Mines and mineral resources KW - Ore deposits KW - Colorado UR - https://www.unicat.be/uniCat?func=search&query=sysid:135151192 AB - ER -