The World, On Mercator's Projection Southern United States The map of the Northwestern

The map of the Northwestern United States and Neighboring Canadian Provinces appeared in National Geographic Magazine in June of 1941 and focused on the states of Washington

including currents

One from Pittsburg to Le Boeuf along the Allegeny (Allegheny) River and French Creek

William Main - Seaman

Heavy paper

The World, On Mercator's Projection Southern United States The map of the NorthwesternLarge folding case map of the world with original outline colour, dissected into 24 sections and mounted on linen, edges trimmed with green cloth, marbled paper to the folded end sections with a map advertisement to one side, folding into original pebbled brown cloth slipcase wanting all but a few scraps of the publisher's printed label to the upper board. The map paper evenly browned overall, slight wear to the linen at a few of the folds, marking to