Joseph Christmas Ives (1828–1868), soldier, botanist, explorer of the Colorado River in 1858.
Ives was born in New York City in 1828 and was a graduate of the United States Military Academy in 1852. As a Lieutenant from 1853 to 1854 he was appointed by the U.S. Army to the Topographical Engineers as assistant to Lt. A.W. Whipple in the Pacific Railroad survey along the 35th parallel.
From 1857 to 1858 Ives commanded an expedition to explore up the Colorado River from its mouth. At Robinson's Landing he built then used the 54 foot paddlewheel steamboat Explorer to map and survey the river. His party included Smithsonian associate John Strong Newberry as geologist. He led his party up the Colorado to the lower end of the Grand Canyon, then struck out across the desert to Fort Defiance in Colorado. Ives Reported his findings in his 1861 Report upon the Colorado river of the West[1] The Ives expedition produced one of the important early maps of the Grand Canyon drawn by F. W. v. Egloffstein, topographer to the expedition.[2]
Ives next served as engineer and architect for the Washington National Monument from 1859 to 1860. During the American Civil War he joined the Confederate Army and served in several engineering capacities, and was finally appointed aide-de-camp to President Jefferson Davis from 1863 to 1865. After the war he settled in New York City where he died November 12, 1868.[3]