 Governor James Bradley Orman designated Brighton as the temporary Adams County Seat.Adams County originally stretched 160 miles (258 kilometers) from present-day Sheridan Boulevard to the Kansas state border.On May 12, 1903, the eastern 88 miles (142 kilometers) of Adams County was transferred to the new Washington County and the new Yuma County, reducing the length of Adams County to the present 72 miles (116 kilometers).