TY  - RPRT
TI  - Geologic maps of the French Butte and Greenhorn Buttes quadrangles, Washington
AU  - Donald A. Swanson
PY  - 1989
DO  - 10.3133/ofr89309
UR  - https://pubs.usgs.gov/publication/ofr89309
ID  - ofr89309
ER  -