1. Phelps & Ensign's travellers' guide and map of the United States, containing the roads, distances, steam boat and canal routes, &c. Yale Public content 1842. 2023-10-20T19:30:15Z. 2023-10-28T03:02:11Z. Phelps & Ensign, cartographer, publisher. Published by Phelps & Ensign. English. cartographic image. Public. United States and United States.