@book{28731,
	author = {Brant, Russell A.},
	title = {Lignite resources of North Dakota.},
	year = {1953.},
	series = {Geological Survey circular 226},
	address = {Washington,},
	note = {Prepared with the cooperation of the North Dakota Geological Survey and the North Dakota Research Foundation as part of a program of the Dept. of the Interior for the development of the Missouri River Basin.}
}