TY - RPRT TI - Mineral resources of the Rock River Canyon Wilderness Study Area, Alger County, Michigan AU - Jesse W. Whitlow AU - Philip J. Geraci AU - Peter C. Mory AU - Elizabeth R. King PY - 1983 DO - 10.3133/b1549 UR - https://pubs.usgs.gov/publication/b1549 ID - b1549 ER -