LOC's Public Domain Archive
The objects in this archive are from Library of Congress - the nation’s first established cultural institution and the largest library in the world, with millions of items including books, recordings, photographs, maps and manuscripts in its collections. The Library provides Congress, the federal government and the American people with a rich, diverse and enduring source of knowledge to inform, inspire and engage them and support their intellectual and creative endeavors.
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![Map of the Pennsylvania Rail Road, from Harrisburg to Pittsburg [sic] and of the Columbia & Lancaster & Harrisburg R.R.s from Philadelphia to Harrisburg. H. Haupt, Chf. Eng., J. P. & J. Lesley, Jr. Topographers, J. G. Shoemaker, engr.](https://cache.getarchive.net/Prod/thumb/cdn18/L3Bob3RvLzIwMTkvMTEvMTcvbWFwLW9mLXRoZS1wZW5uc3lsdmFuaWEtcmFpbC1yb2FkLWZyb20taGFycmlzYnVyZy10by1waXR0c2J1cmctc2ljLWFuZC1vZi10aGUtYjhlNTFiLTEwMjQuanBn/40/4/webp "Map of the Pennsylvania Rail Road, from Harrisburg to Pittsburg [sic] and of the Columbia & Lancaster & Harrisburg R.R.s from Philadelphia to Harrisburg. H. Haupt, Chf. Eng., J. P. & J. Lesley, Jr. Topographers, J. G. Shoemaker, engr.")