TY - RPRT TI - Bedrock geologic map of the Ashland and the northern part of the Ironwood 30- x 60-minute quadrangles, Wisconsin and Michigan AU - W.F. Cannon AU - L. G. Woodruff AU - S. W. Nicholson AU - C. A. Hedgman PY - 1996 DO - 10.3133/i2566 UR - https://pubs.usgs.gov/publication/i2566 ID - i2566 ER -