TY - RPRT TI - Zinc Deposits of the Mifflin-Cokerville Area of the Wisconsin Lead-Zinc District AU - Allen F. Agnew AU - Allen V. Heyl PY - 1944 DO - 10.3133/ofr4424 UR - https://pubs.usgs.gov/publication/ofr4424 ID - ofr4424 ER -