 In 1885, the boundary was moved southward, gaining territory in present Clark County, creating a contiguous boundary, and leaving a 6 mile by 25.5 mile stretch of the Birch Creek Area in Alturas County.The eastern 6 mile by 9 mile portion of that territory was transferred from Alturas to Bingham in 1889.A change in 1891 extended the boundary south to its present location, and added territory presently in Clark County.