@book{26384,
	author = {Fisher, Daniel Jerome,},
	title = {Structure of Herrin (no. 6) Coal seam near Duquoin,},
	publisher = {Schnepp & Barnes, printers]},
	year = {1925.},
	address = {Urbana, Illinois},
	note = {At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey.}
}