TY  - RPRT
TI  - Summary report on the geology and mineral resources of the Huron, Seney, Michigan Islands, Green Bay, and Gravel Island National Wildlife Refuges of Michigan and Wisconsin
AU  - Carl E. Dutton
PY  - 1968
DO  - 10.3133/b1260i
UR  - https://pubs.usgs.gov/publication/b1260I
ID  - b1260I
ER  -