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  Partner: UNT Libraries
 Decade: 1840-1849
 Year: 1845
Travels in North America, in the years 1841-2; with geological observations on the United States, Canada, and Nova Scotia. By Charles Lyell.

Travels in North America, in the years 1841-2; with geological observations on the United States, Canada, and Nova Scotia. By Charles Lyell.

Date: 1845
Creator: Lyell, Charles, Sir, 1797-1875.
Description: Geological map of the United States and Canada in 1841 - 42. Colored areas indicate geological eras, mineral and rock formations.
Contributing Partner: UNT Libraries