Pennsylvania Appalachian development plan
Subtitle: supplement for 1974
By: Commonwealth of Pennsylvania, Office of State Planning and Development.
Publisher: The Office
Published: 1973
Place of publication: [Harrisburg]
Language: eng
Subjects: Pennsylvania -- Economic conditions.; Appalachian Region -- Economic conditions.
Notes: Updates Pennsylvania Appalachian development plan; revision for 1972.
Vol. 2 has special title: Statistical appendices, and v. 3: Unabridged narrative statements submitted by local development districts.