39 x 62 cm. Relief shown by hachures and spot heights. Prime meridian: Greenwich and Washington. Hand colored. Shows natural features, populated places, routes of mail steamships, routes of explorers, locations of Indian tribes, railroad routes, and proposed railroad routes. In top margin: No. 80-81. On verso: New Mexico, Arizona, Colorado, Idaho, Dakota (statistics and other information) and The state of California (statistics and other information). Original publisher: G.W. and C.B. Colton.
Plans for the construction of the Showboat Hotel Casino in Atlantic City from 1985. John A. Martin, structural engineer; Albert A. Hellman, mechanical engineer; Norman A. Cohen, electrical engineer. Site Name: Showboat Hotel and Casino (Atlantic City) Address: 801 Boardwalk, Atlantic City, NJ