"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: Wyoming, Yellowstone
Period: 1873 (circa)
Publication: Sixth Annual Report of the United States Geological Survey
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: B+
A crisp, clean example with a binding trim at lower right. Narrow left margin. Issued folding.