TY  - RPRT
TI  - Digital bedrock geologic map of the Ashland and northern part of the Ironwood 30' X 60' quadrangles, Wisconsin, and Michigan
AU  - W.F. Cannon
AU  - L. G. Woodruff
AU  - S. W. Nicholson
AU  - C. A. Hedgman
AU  - R. Barber-Delach
PY  - 1999
DO  - 10.3133/ofr99546
UR  - https://pubs.usgs.gov/publication/ofr99546
ID  - ofr99546
ER  -