@book{25932,
	author = {Soper, Edgar Kirke, and Geological Survey (U.S.)},
	title = {The peat deposits of Minnesota,},
	publisher = {The University of Minnesota,},
	year = {1919.},
	series = {Minnesota Geological Survey. Bulletin},
	address = {Minneapolis,},
	note = {At head of title: The University of Minnesota ... In coöperation with the United States Geological survey and the United States Bureau of mines.}
}