TY - BOOK ID - 135418382 TI - Mineral resources of the Black Canyon and South Piney Creek wilderness study areas, Saguache County, Colorado AU - Lindsey, David A. AU - Hassemer, Jerry R. AU - Abrams, Gerda A. PY - 1986 PB - Washington (D.C.): US. Government printing office DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:135418382 AB - ER -