TY  - RPRT
TI  - Preliminary geologic map of the Clear Lake SW Quadrangle, Skagit and Snohomish counties, Washington
AU  - David P. Dethier
AU  - John T. Whetten
PY  - 1980
DO  - 10.3133/ofr80825
UR  - https://pubs.usgs.gov/publication/ofr80825
ID  - ofr80825
ER  -