Geologic map of Precambrian rocks of Iron Mountain and Escanaba 1 ?x 2 ?quadrangles, northeastern Wisconsin and northwestern Michigan / Department of the Interior, U.S. Geological Survey ; compiled by P.K. Sims.
- Format:
- Map/Globe
- Physical Desc.:
- 1 map : col. ; 44 x 79 cm., on sheet 104 x 104 cm., folded in envelope 30 x 24 cm.
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