http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geology and occurrence of ground water in the Townsend Region, Montana
with a section on chemical quality of the ground water
Lorenz, H. W. F. (Henry William Frederick)
1 online resource (iv, pages 171-290) : illustrations, map.
by H.W. Lorenz, R.G. McMurtrey and H.A. Swenson.
Includes bibliographical references (pages 232-233) and index.
Contributions to the hydrology of the United States
Geological Survey water-supply paper ; 1360-C