TY  - RPRT
TI  - Preliminary map of the Precambrian geology of the Iron Mountain quadrangle, Dickinson County, Michigan, and Marinette County, Wisconsin
AU  - Richard W. Bayley
PY  - 1957
DO  - 10.3133/ofr578
UR  - https://pubs.usgs.gov/publication/ofr578
ID  - ofr578
ER  -