http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Effigy Mounds National Monument draft general management plan, environmental impact statement
Draft general management plan, environmental impact statement : Effigy Mounds National Monument, Clayton county and Allamakee County, Iowa
1 online resource (viii, 223 pages) : color illustrations, color maps
National Park Service, United States Department of the Interior.
Includes bibliographical references (pages 220-221) and index.