@book{26791,
	author = {Aldrich, Henry R.},
	title = {The geology of the Gogebic iron range of Wisconsin,},
	publisher = {Published by the state,},
	year = {1929.},
	series = {Wisconsin. Geological and natural history survey. Bulletin [no.] 71; Economic ser.,},
	address = {Madison, Wis.,}
}