In 1871, Wild Bill Hickok became marshal of Abilene, Kansas. He fought John Wesley Hardin there. After Hickok disarmed him, he ran away. Hickok was also a deputy marshal at Fort Riley. He was also a marshal at Hays in the Wild West. In the 1880s at Greensburg, Kansas, a big well was built to get water for the Santa Fe and Rock Island railroads. It is deep and in diameter. This makes it one of the world's biggest hand-dug wells.