Dillon Reservoir Dillon Reservoir Dillon Reservoir, sometimes referred to as Lake Dillon, is a large fresh water reservoir located in Summit County, Colorado, south of I-70 and bordered by the towns of Frisco, Silverthorne, and Dillon. It is a reservoir for the city of Denver, and its waters are under the control of Denver Water. Popular ski areas are close to the reservoir, including Copper Mountain, Keystone, Arapahoe Basin, and Breckenridge. In 1859, a large party of gold-seekers led by Ruben Spalding discovered gold near the headwaters of the Blue River, which prompted a population surge in Summit County, Colorado. By October
Dillon, Kansas 828,000 square mile Louisiana Purchase for 2.83 cents per acre. In 1854, the Kansas Territory was organized, then in 1861 Kansas became the 34th U.S. state. In 1857, Dickinson County was established within the Kansas Territory, which included the land for modern day Dillon. Dillon was a station on the Missouri Pacific Railroad. A post office was opened in Dillon in 1872, and remained in operation until it was discontinued in 1944. Dillon, Kansas Dillon is a rural unincorporated community in Dickinson County, Kansas, United States. For many millennia, the Great Plains of North America was inhabited by nomadic Native