http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geology and ground-water resources of the Missouri River Valley in northeastern Montana
1 online resource (iv, 128 pages) : illustrations, maps.
by Frank A. Swenson ; with a section on the quality of the ground water, by Walton H. Durum.
"Prepared as part of the program of the Department of the Interior for development of the Missouri River basin."
"U. S. Government Printing Office : 1955 O - 347642"--Page 128.
Includes bibliographical references (page 126) and index.
Geological Survey water-supply paper ; 1263