The national road
Subtitle: Maryland, Pennsylvania, West Virginia, Ohio, Indiana, Illinois.
Contributors: United States. Dept. of the Interior. Southwestern Pennsylvania Heritage Preservation Commission.
Publisher: U.S. Dept. of the Interior, Southwestern Pennsylvania Heritage Preservation Commission, National Park Service
Published: 1994
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 91
Subjects: Roads -- United States -- History.; United States Highway 40 -- History.
Notes: Shipping list no.: 94-0345-P.

"Special resource study."

"July 1994."

"NPS D-3"--P. [3] of cover.

Includes bibliographical references (p. 89-90).