@book{24976,
	author = {Grabau, Amadeus W. and Sherzer, William Hittell,},
	title = {The Monroe formation of southern Michigan and adjoining regions,},
	publisher = {Wynkoop Hallenbeck Crawford co., state printers,},
	year = {1910.},
	series = {Michigan. Geological and biological survey.  Publication 2. Geological series 1},
	address = {Lansing, Mich.,},
	note = {Plates VIII-XXXII each preceded by leaf with descriptive letterpress.}
}