"Map of the Sources of Snake River with Its Tributaries Together with Portions of the Headwaters of the Madison and Yellow Stone...", Hayden, Ferdinand Vandeveer
Subject: Yellowstone, Wyoming
Period: 1873 (circa)
Publication: Sixth Annual Report of the United States Geological Survey of the Territories...
Shows northern Wyoming and the Yellowstone area drawn during Hayden's Geological Survey of 1871. This area later became Yellowstone National Park in 1872 and Hayden's surveying efforts were a significant factor in Congress' decision to create the park. The map shows Yellow Stone Lake, Jackson's Lake, the Snake River and relief through hachure.
References: Blevins #238.
Condition: A
Issued folding with a hint of toning along the fold lines and a short binding trim at bottom right.