Mineral land classification : showing indications of iron formations in parts of Ashland, Bayfield, - detaljert visning

Mineral land classification : showing indications of iron formations in parts of Ashland, Bayfield, Washburn, Sawyer, Price, Oneida, Forest, Rusk, Barron and Chippewa counties

William Otis Hotchkiss
Bok Engelsk 1915


Utgitt	Madison, Wis. : The State of Wisconsin , 1915
Omfang	X, 378 s., pl. (noen fold.) : ill.
Opplysninger	Avhandling (ph.d) - University of Wisconsin, 1916,
Emner	Iron mines and mining - Wisconsin Mines and mineral resources - Wisconsin