Pamphlet.
Brochure. Includes map. "U. S. Government Printing Office: 1979-652-385".
Pamphlet. "U. S. Dept. of Agriculture, Forest Service, Region 7, Philadelphia 7, Penna." Includes maps.
Mimeograph of typescript.
Brochure. "U. S. Government Printing Office: 1979--652-099". Includes map.
Brochure. Includes map. "U. S. Government Printing Office: 1983-656-613".
Government document. "GPO 823-653". "R9-01-8-79-MO". Includes map.