National trail feasibility study and environmental assessment
Subtitle: Illinois trail.
Contributors: United States. National Park Service.
Publisher: U.S. Dept. of the Interior, National Park Service
Published: 1987
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 65
Subjects: Trails -- Environmental aspects -- Illinois.; National parks and reserves -- Environmental aspects -- Illinois.; Illinois River (Ill.)
Notes: Distributed to depository libraries in microfiche.

"September 1987."

"NPS D-3A"--P. [66].

Includes bibliographical references (p. 64).