TY - RPRT TI - Preliminary geologic map of the Flagstaff Peak quadrangle, Emery, Sanpete, and Sevier Counties, Utah AU - Joseph D. Sanchez AU - Philip T. Hayes PY - 1977 DO - 10.3133/ofr77823 UR - https://pubs.usgs.gov/publication/ofr77823 ID - ofr77823 ER -