http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Petrology of the Eagle Sandstone, Bearpaw Mountains area, north-central Montana
composition and burial history of an important conventional shallow methane reservoir in the northern Great Plains
iv, 54 pages : illustrations, 1 map ; 24 cm.
by Donald L. Gautier ; prepared in cooperation with the U.S. Department of Energy.
Investigations of shallow gas reservoirs in the northern Great Plains