TY - RPRT TI - Geologic map of parts of the Tippett Canyon and Spring Creek Flat NW, Nevada, and Georgetta Ranch, Nevada-Utah, quadrangles, emphasizing Tertiary rocks and including chemical analyses AU - C.J. Nutt AU - W. E. Brooks PY - 1994 DO - 10.3133/ofr94632 UR - https://pubs.usgs.gov/publication/ofr94632 ID - ofr94632 ER -