TY - BOOK ID - 134508096 TI - Mineral resources of the Negro Bill Canyon wilderness study area, Grand county, Utah AU - Bartsch-Winkler, Susan AU - Case, James E. AU - Barton, Harlan N. PY - 1990 PB - Washington (D.C.): US. Government printing office DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:134508096 AB - ER -