TY - BOOK ID - 136516119 TI - Mineral resources of the Big Horn Mountains wilderness study area, Maricopa County, Arizona AU - Gray, Floyd AU - Miller, R. J. AU - Hassemer, J. R. PY - 1987 PB - Washington (D.C.): US. Government printing office DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:136516119 AB - ER -