Aesthetic awareness of design in improvements to US 22 and heritage route selection criteria, southwestern Pennsylvania
Contributors: America's Industrial Heritage Project; United States. National Park Service
Publisher: America's Industrial Heritage Project; U.S. Dept. of the Interior, National Park Service
Published: 1989
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 28
Subjects: Roads -- Pennsylvania -- Design and construction; Parkways -- Pennsylvania -- Design and construction; United States Highway 22
Notes: Shipping list no.: 89-135-P

"January 1989"--P. 28

"NPS D-24"--P. 28

Bibliography: p. 27