Library of Congress · 98688255
Allegheny Portage Railroad National Historic Site, Pennsylvania
Description
Aerial view drawn to resemble a block diagram. "*GPO: 1998--432-903/60256. Reprint 1998." Relief shown by shading. Panel title. Includes text, index of inclines, and ill. (some col.). Text, small map of site, and col. ill. on verso. Available also through the Library of Congress Web site as a raster image.
Source connections
Explore related subjects
Keep this discovery
townsend, l. kenneth, united states. national park service. 1998. Allegheny Portage Railroad National Historic Site, Pennsylvania. https://www.loc.gov/item/98688255/
Cite the original work for its findings. Save a collection to share your selection of sources.
Discover connections
Connections use source metadata and explicit phrase matches, not verified experimental comparisons.