@book{25504,
	author = {Smith, Richard A,},
	title = {The occurrence of oil and gas in Michigan,},
	publisher = {Wynkoop Hallenbeck Crawford co., state printers,},
	year = {1914.},
	series = {Michigan.  Geological and biological survey.  Publication 14; Geological series 11.},
	address = {Lansing, Mich.,}
}