Area: 6,818 square
miles; population: 11,333 (in 1990); county seat: Fillmore; origin of
county name: after President Millard Fillmore; principal cities/towns: Delta (2,998), Fillmore (1,956); economy: alfalfa seed, cattle, electric
power generation; points of interest: territorial statehouse in Fillmore, Cove Fort, Old Fort Deseret, Topaz Relocation Camp, Gunnison massacre
site, Clear Lake Waterfowl Management Area, Intermountain Power Project.
is bordered on the east by the Pahvant Range, while west to the Nevada
border lie the broad valleys and desert mountain ranges typical of the Great Basin. The Sevier River, which begins in mountains east of Cedar
City, drains into the sometimes dry Sevier Lake in central Millard County.
A huge granitic upthrust in the House Range, as well as volcanic cones
and numerous fossil beds, provide clues to past geologic activity and
prehistoric animal and plant life of the area.