1858 Map No. 2 Rio Colorado of the West

Map No. 2. Rio Colorado of the West, explored by 1st Lieut. Joseph C. Ives, Topl. Engrs. under the direction of the Office of Explorations and Surveys. A.A. Humphreys, Capt. Topl. Engrs. in Charge, by order of the Hon. John B. Floyd, Secretary of War.The earliest scientific map to of the Grand Canyon region from the report of Joseph C. Ives; the first European American known to reach the river within Grand Canyon. This spectacular map shows much of the New Mexico Territory from the California border to Fort Defiance and presents the first accurate depiction of the Grand Canyon, (Big Canyon of the Colorado) to be printed on a map. It also delineates the overland route of the Ives Expedition from Beal’s Crossing (day 59) to the south rim of the Grand Canyon (day 73) through the San Francisco Forest (Flagstaff, AZ), to the Moquis Pueblos, ending in Ft. Defiance on day 103. The Ives Expedition of the Colorado River Best known as the engineer and architect of the Washington Monument, Jose