@book{24300,
	author = {Bain, Harry Foster,},
	title = {The fluorspar deposits of southern Illinois /},
	publisher = {Govt. Print. Off.,},
	year = {1905.},
	series = {U.S. Geological survey. Bulletin},
	address = {Washington,},
	note = {Subject series: A, Economic geology, 50; B, Descriptive geology, 62.}
}