TY - RPRT TI - Geologic map of the central part of the San Francisco Volcanic Field, north-central Arizona AU - Edward W. Wolfe AU - George E. Ulrich AU - Richard F. Holm AU - Richard B. Moore AU - Christopher G. Newhall PY - 1987 DO - 10.3133/mf1959 UR - https://pubs.usgs.gov/publication/mf1959 ID - mf1959 ER -