@book{29933,
	author = {Robinson, Charles Sherwood, and Mapel, W. J.},
	title = {Stratigraphy and structure of the northern and western flanks of the Black Hills uplift, Wyoming, Montana and South Dakota,},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1964.},
	address = {Washington,},
	note = {Part of illustrative matter fold. in pocket.}
}