History Talk: The 1873 Hayden Survey of Colorado
photo courtesy: Library of Congress Wednesday, October 5th: 5:00 - 6:00pm - Lecture by Map Expert Chris Lane Location: Summit Historical Society's 1883 Dillon Schoolhouse After the Civil War, the U.S. government realized the great need for accurate surveys of the American West. Between 1867 and 1879, four great federal surveys were established, covering much […]