http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Stratigraphy of the Hell Creek Formation in North Dakota
v, 65 pages : illustrations, maps ; 23 cm.
Part of the illustrative matter folded in pocket.
"Condensation of a doctoral dissertation submitted to the faculty of the University of North Dakota ... in August, 1967"--P. iv.
Bulletin (North Dakota Geological Survey) ; 54