Map shows major physical features, areas of Native American habitation, major cities, and towns. Northern portion of map is labeled "Oregon Territory" and "Missouri Territory." Southern portion is "Upper California and New Mexico" with the "February 1848 Treaty Boundary Line between Mexico and the United States." Notes and "explanations" are included. Inset: "Profile of the Traveling Route from the South Pass of the Rocky Mountains to the Bay of San Francisco." Relief shown by hachures and spot heights, and by profile. Scale [1:3,000,000].

Map shows major physical features, areas of Indian habitation, major cities and towns; northern portion of map is labeled Oregon Territory, Missouri Territory, southern portion is Upper California and New Mexico; February 1848 treaty boundary line between Mexico and the United States. Includes notes and "explanations." Inset: "Profile of the travelling route from the South Pass of the the Rocky Mountains to the Bay of San Francisco." Relief shown by hachures and spot heights, and by profile. Scale [1:3,000,000].

Map shows locations of Cooke's camps in the American Southwest. Details include distances between points, trails, alternative routes, areas of Native American activity, mining activity, and water. Includes notes and table of distances. Relief shown by hachures and pictorially. Scale not given.