Base map of Pennsylvania
By: John G. Kuchinshi and Virginia M. Milewski
Contributors: Milewski, Virginia M.; Pennsylvania Geological Survey
Publisher: Pennsylvania Geological Survey
Published: 1975
Place of publication: [Harrisburg, Pa.]
Language: eng
Format: Map
Subjects: Pennsylvania -- Roadmaps
Notes: 3 classes of roads; railroads; boundaries; water; dams.