1. Phelps's national map of the United States a travellers' guide : embracing the principal rail roads, canals, steam boat & stage routes, throughout the Union / [cartographic material] Yale Public content 1848. 2008-06-30T14:17:24Z. 2018-08-29T17:13:38Z. Atwood, John M., approximately 1818- cartographer. Ensigns & Thayer. English. cartographic image. Public. United States and United States.