Detailed large format map of the United States by O.W. Gray, hand-colored by states and territories.
The map includes an inset of Alaska.
Shows towns, roads, railroads, mountains, rivers, Indian information, forts, etc.
O. W. Gray was a publishing firm based in Philadelphia. Later, they published as O. W. Gray & Son. They published atlases in the late nineteenth century. Gray's National Atlas was one of the most successful commercial ventures of the 1870s and one of the last to employ hand coloring on maps.