Map of the Western & Middle Portions of North America

An 1845 map of the Pacific coastline starting slightly west of present-day Alaska and extending to Mexico, including Oregon, California,and regions north to the Arctic. It shows cities and some towns, and selected rivers, mountains, and other features. This map is meant to accompany a history of Oregon, California, and other west-coast territories.
Date: 1845
Creator: Greenhow, Robert, 1800-1854. & Ringgold, George H.
System: The UNT Digital Library

Map of Texas: From the Most Recent Authorities.

Texas north of Red River.
Date: 1845
Creator: Young, James Hamilton
System: The Portal to Texas History

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

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