TY  - BOOK
AU  - Bartsch-Winkler,S.
TI  - Mineral resources of the Negro Bill Canyon Wilderness Study Area Grand County, Utah
T2  - U.S. Geological survey bulletin
PY  - 1990///
CY  - Washington, D. C.
PB  - Government Printing Office
KW  - Mines and mineral resources
KW  - Utah
KW  - Negro Bill Canyon Wilderness (Utah)
ER  -