National Underground Railroad Network to Freedom
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@ United States Government Publishing Office (GPO)
Description
Scale approximately 1:2,000,000.Description based on online resource; title from PDF panel (NPS, viewed July 31, 2019).
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Cartographic Material Map Electronic Resource Computer Online Resource
United States. National Park Service, issuing body
Pursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain. For more information please see http://www.gpo.gov/help/index.html#public_domain_copyright_notice.htm