TY  - RPRT
TI  - Bibliography of Precambrian geology of Wisconsin, 1778-1968
AU  - Carl E. Dutton
AU  - Reta E. Bradley
PY  - 1971
DO  - 10.3133/ofr7192
UR  - https://pubs.usgs.gov/publication/ofr7192
ID  - ofr7192
ER  -