TY  - RPRT
TI  - Preliminary geologic map of the Pilot Knob quadrangle, Mohave and Yavapai Counties, Arizona
AU  - A. W. Ward
AU  - L. David Nealey
PY  - 1990
DO  - 10.3133/ofr9026
UR  - https://pubs.usgs.gov/publication/ofr9026
ID  - ofr9026
ER  -