TY  - RPRT
TI  - Bedrock geologic map of the Port Wing, Solon Springs, and parts of the Duluth and Sandstone 30' X 60' quadrangles, Wisconsin
AU  - S. W. Nicholson
AU  - W.F. Cannon
AU  - L. G. Woodruff
AU  - Connie Dicken
PY  - 2004
DO  - 10.3133/ofr20041303
UR  - https://pubs.usgs.gov/publication/ofr20041303
ID  - ofr20041303
ER  -