Historic highway bridges in Pennsylvania
Subtitle: preservation guide.
Contributors: Pennsylvania Historical and Museum Commission.; Pennsylvania. Dept. of Transportation.
Publisher: Commonwealth of Pennsylvania, Pennsylvania Historical and Museum Commission; Pennsylvania Dept. of Transportation
Published: 1987
Place of publication: [Harrisburg]
Language: eng
Number of pages: 185
Subjects: Historic bridges -- Conservation and restoration -- Pennsylvania.
Notes: Bibliography: p. 183-184.