Topographical map of the road from Missouri to Oregon, commencing at the mouth of the Kansas in the Missouri River and ending at the mouth of the Walla-Wallah in the Columbia

“This map, produced in 1846 in seven sections, was compiled by order of the U.S. Senate from the field notes and journal of Captain John C. Frémont (1813-90) and associated sketches and notes of his assistant, Charles Preuss (1803-54). It traces the route to the Pacific paralleling the large river systems traversing the North American […]

A journal of Captain Cook’s last voyage to the Pacific Ocean, and in quest of a North-west passage between Asia & America, performed in the years 1776, 1777, 1778, and 1779 : illustrated with a chart shewing the tracts of the ships employed in this expedition

The American explorer and adventurer John Ledyard was born in Groton, Connecticut, in 1751. After studying briefly at Dartmouth College, he went to sea as a common sailor. He was forced to join the British Navy, and from June 1776 to October 1780 was a marine on Captain James Cook’s third voyage to the Pacific. […]

Map showing the lands assigned to emigrant Indians west of Arkansas and Missouri.

From: [Documents concerning Col. Henry Dodge’s expedition to the Rocky Mountains], House Document 181, 24th Cong., 1st session, 1835-36, serial 289. LC Many nations, 200 Exhibition: Indians of North America, Library of Congress, Washington, D.C., August, 1977. Available also through the Library of Congress web site as a raster image.

Map of the Trans-Mississippi of the United States during the period of the American fur trade as conducted from St. Louis between the years 1807 and 1843

“This map, published in 1902 in H.M. Chittenden’s History of the Fur Trade of the Far West, shows major cartographic features of the American West in the early 19th century, including the location of key Native American populations, forts, trading posts, and physical features, such as mountains and rivers. French voyageurs pioneered fur trading and […]

Carta de los descubrimientos hechos en la costa N.O. de la America Septentrional por las embaraciones de Sn. Blas, y noticias adguiridas en este viage, dedicada al Exm̃o Sor̃ Conde de Revilla Gigédo Virrey de N.E.

“Antonio María de Bucareli y Ursúa (1717-79) was born in Seville, Spain. He served as captain general of Cuba from 1766 to 1771 and as viceroy of New Spain from 1771 to 1779. He reorganized the Spanish military units in the viceroyalty and strengthened and rebuilt fortifications along the Pacific coast and on the Gulf […]