TY  - RPRT
TI  - Geologic map of the Ontonagon and part of the Wakefield 30' X 60' quadrangles, Michigan; a digital representation of Map I-2499 (1995)
AU  - W.F. Cannon
AU  - S. W. Nicholson
AU  - L. G. Woodruff
AU  - C. A. Hedgman
AU  - K.J. Schultz
AU  - S.G. Pimley
PY  - 2001
DO  - 10.3133/ofr0188
UR  - https://pubs.usgs.gov/publication/ofr0188
ID  - ofr0188
ER  -