TY - RPRT TI - Geologic map of the Little Jacks Creek, Big Jacks Creek, and Duncan Creek Wilderness Study Areas, Owyhee County, Idaho AU - D.F. Kauffman AU - Bill Bonnichsen PY - 1990 DO - 10.3133/mf2142 UR - https://pubs.usgs.gov/publication/mf2142 ID - mf2142 ER -