TY - RPRT TI - Geologic map of the El Portal Quadrangle, west-central Sierra Nevada, California AU - P. C. Bateman AU - K.B. Krauskopf PY - 1987 DO - 10.3133/mf1998 UR - https://pubs.usgs.gov/publication/mf1998 ID - mf1998 ER -