http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geohydrology, water levels and directions of flow, and occurrence of light-nonaqueous-phase liquids on ground water in northwestern Indiana and the Lake Calumet area of northeastern Illinois
Geohydrology in northwestern Indiana and the Lake Calumet area of northeastern Illinois
v, 84 pages : illustrations, maps ; 28 cm.
Includes bibliographical references (pages 63-65).
Water-resources investigations report ; 95-4253