@book{13580,
	author = {Foster, J. W. and Whitney, J. D.},
	title = {Report on the geology and topography of a portion of the Lake Superior land district in the State of Michigan,},
	publisher = {Printed for the House of Reps.,},
	year = {1850-51.},
	series = {31st Congress, 1st session. Ho. of Reps. Ex. doc. ; no. 69},
	address = {Washington,},
	note = {Pt. 2 has title: Report on the geology of the Lake Superior land district; publisher: A. B. Hamilton.}
}