TY  - RPRT
TI  - Geologic map of the eastern Willapa Hills, Cowlitz, Lewis, Pacific, and Wahkiakum counties, Washington
AU  - Ray E. Wells
PY  - 1981
DO  - 10.3133/ofr81674
UR  - https://pubs.usgs.gov/publication/ofr81674
ID  - ofr81674
ER  -