@book{27651,
	author = {Burchard, Ernest F. and Geological Survey (U.S.)},
	title = {The cement industry in Alabama,},
	year = {1940.},
	series = {Alabama. [State geologist] Circular},
	address = {University, Ala.,},
	note = {At head of title: Geological survey of Alabama. Walter B. Jones, state geologist (on leave)}
}