[Underground railroad map of the United States, ca. 1838-1860.
[Federal Writers' Project]
manuscriptcartographic
Maps. lcgft https://id.loc.gov/authorities/genreForms/gf2011026387
1941?]
eng
Manuscript; pencil.
Includes notes.
Underground Railroad--Maps.
Fugitive slaves--United States--Maps.
Manuscript maps.
United States.
Available also through the Library of Congress Web site as a raster image.
http://hdl.loc.gov/loc.gmd/g3701e.ct001517