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	1.	The geology of the Gogebic iron range of Wisconsin, by H. R. Aldrich. by Aldrich, Henry R. (Henry Ray), 1891- Series: Wisconsin Geological and Natural History Survey. Bulletin ; no. 71. \| Wisconsin Geological and Natural History Survey. Economic series ; no. 24. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Madison, Wis., Published by the state, 1929 Availability: No items available. Add to cart (remove)
	2.	Mineral lands of part of northern Wisconsin, by W. O. Hotchkiss and E. F. Bean, assisted by H. R. Aldrich. by Hotchkiss, William Otis, 1878-1954 Bean, E. F. (Ernest F.), 1882- [joint author.] Aldrich, Henry R. (Henry Ray), 1891- Series: Wisconsin Geological and Natural History Survey. Bulletin ; no. 46. \| Wisconsin Geological and Natural History Survey. Economic series ; no. 21. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Madison, Wis., Published by the state, 1929 Availability: No items available. Add to cart (remove)

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