In 1873, the part of Kansas that is west of Range 25 was divided into 25 new counties. The new counties were Decatur, Rawlins, Cheyenne, Sheridan, Thomas, Sherman, Lane, Buffalo, Foote, Meade, Scott, Sequoyah, Arapahoe, Seward, Wichita, Kearny, Greeley, Hamilton, Stanton, Kansas, Stevens, and Grant.