TY - RPRT TI - Geologic map of Precambrian rocks of parts of Iron Mountain and Escanaba 30' x 60' quadrangles, northeastern Wisconsin and adjacent Michigan AU - P. K. Sims AU - K. J. Schulz PY - 1993 DO - 10.3133/i2356 UR - https://pubs.usgs.gov/publication/i2356 ID - i2356 ER -