Aldrich, Henry R. 1891-

The geology of the Gogebic iron range of Wisconsin, by H. R. Aldrich. - Madison, Wis., Published by the state, 1929. - x, 279 p. incl. illus., tables, diagrs. front. (map) xvi pl. (incl. fold. maps, 1 in pocket) 25 cm. - Wisconsin. Geological and natural history survey. Bulletin [no.] 71; Economic ser., no. 24 . - Wisconsin Geological and Natural History Survey. Bulletin ; no. 71. Wisconsin Geological and Natural History Survey. Economic series ; no. 24. .

Bibliographical footnotes.

gs 30000131


Geology--Wisconsin.
Iron mines and mining--Wisconsin.

QE179 / .A2 no. 71 QE180.G6 / A6