Underground Railroad, 1860  [electronic resource]. 
Title from title screen:  Underground Railroad, 1860 :  North America, United States, map 

, Scale varies. 
 - [S.l.] :  Maps.com,  c2000. 
 - 1 online resource (1 map) 
<br/><br/><br/>Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Underground Railroad--Maps.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Maps.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>G3700  / .U53 2000 E450  / .U53 2000