TY - RPRT TI - Geologic map of the Spruce Mountain 4 Quadrangle, Elko County, Nevada AU - G.D. Fraser AU - K. B. Ketner AU - M. C. Smith PY - 1986 DO - 10.3133/mf1846 UR - https://pubs.usgs.gov/publication/mf1846 ID - mf1846 ER -