Ice age geology
Subtitle: Illinois and Michigan Canal National Heritage Corridor
Contributors: United States. National Park Service
Publisher: National Park Service, U.S. Dept. of the Interior
Published: 1988
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Illinois and Michigan Canal National Heritage Corridor (Ill.)
Other titles: Illinois and Michigan Canal National Heritage Corridor
Notes: Shipping list no.: 88-395-P