http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Summary appraisals of the nation's ground-water resources
1 online resource (vi, J30 pages) : illustrations, maps.
Title from title screen (viewed October 14, 2014).
"The role of ground water in the region's water-related problems."
Includes bibliographical references (pages J29-J30).
Summary appraisals of the nation's ground-water resources, Great Lakes region
Weist, William G. (William Godfrey), 1931-.
Geological Survey professional paper ; 813-J