TY  - RPRT
TI  - Geologic map of the SP Mountain part of the San Francisco Volcanic Field, north-central Arizona
AU  - G. E. Ulrich
AU  - N. G. Bailey
PY  - 1987
DO  - 10.3133/mf1956
UR  - https://pubs.usgs.gov/publication/mf1956
ID  - mf1956
ER  -