http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Shallow ground-water flow and drainage characteristics of the Brown Ditch basin near the East Unit, Indiana Dunes National Lakeshore, Indiana, 1982
1 online resource (iv, 37 pages) : illustrations, maps.
by Robert J. Shedlock and William E. Harkness ; prepared in cooperation with the National Park Service.
Includes bibliographical references (page 37).
Water-resources investigations report ; 83-4271