Question: What is the county seat of the county Clark Mountain is located in?

Context articles: Cedar Mountain, Virginia
Clark Mountain (Maine)
Piedmont, Missouri
Clark Mountain Range
Ivanpah Mountains
Clark Mountain (California)
Clark Mountain (Missouri)
Androscoggin County, Maine
Grassy Mountain (Wayne County, Missouri)
Stateline Wilderness

Cedar Mountain, also known as Slaughter Mountain, is a piedmont monadnock in Culpeper County, Virginia.
 The 800 ft ridge is 7 mi south of the town of Culpeper and just to the northwest of the northern tip of the Southwest Mountains at Clark Mountain.
 The mountain was the site of the Battle of Cedar Mountain in 1862 during the Northern Virginia Campaign of the American Civil War.
Clark Mountain is a summit in Androscoggin County, Maine, in the United States.
 With an elevation of 682 ft , Clark Mountain is the 1434 highest summit in the state of Maine.
Piedmont is a fourth-class city located in northwestern Wayne County in Southeast Missouri in the United States.
 The population was 1,977 at the 2010 census.
 A part of the Ozarks Foothills Region, Piedmont is located on the convergence of State Highways 34 and 49.
 Piedmont, transliterated as "foot of the mountain," is named for its geographic placement at the foot of Clark Mountain, a 1424-foot summit approximately two miles north of the town.
The Clark Mountain Range is located in southeastern California, north of Interstate 15 and the community of Mountain Pass.
 The range stretches approximately 15 miles (24 km) in a southwest-northeasterly direction, beginning in the Mojave National Preserve, and ending near Stateline Pass, about one mile (1.6 km) from the Nevada border.
 Clark Mountain, at 7,929 feet (2,417 m) above sea level, is the principal peak of the range.
The Ivanpah Mountains are located in the southeastern Mojave Desert of California in the United States.
 The range lies to the south and east of the Mescal Range and Clark Mountain Range.
 Paute Valley lies between the Ivanpahs and the Mescal Range and Wheaton Wash lies between the Ivanpahs and the Clark Mountains to the north.
 Interstate 15 traverses the Wheaton Wash to the north of the Ivanpahs.
 The Ivanpah Valley lies to the southeast with the New York Mountains beyond.
 The mountains lie in a general southwest-northeasterly direction, however Mineral Hill in the northeast part of the range lies at right angles to this trend.
Clark Mountain is a mountain located in the Clark Mountain Range in the Mojave National Preserve, close to the California-Nevada border.
Clark Mountain is a summit in northwest Wayne County in the U.S. state of Missouri.
 The summit rises to an elevation of 1440 ft .
 The mountain is located northeast of Piedmont and due west of Patterson.
 Missouri Route 34 passes by the south side of the mountain and Missouri Route 49 is to the west.
Androscoggin County is a county located in the U.S. state of Maine.
 As of the 2010 census, the county's population was 107,702.
 Its county seat is Auburn.
Grassy Mountain is a summit in northwest Wayne County in the U.S. state of Missouri.
 The peak has an elevation of 991 ft .
 The peak lies just to the northwest of Clark Mountain.
 Gads Hill lies about two miles to the north-northwest along Missouri Route 49.
 Piedmont lies to the southwest.
Located in San Bernardino County, California approximately three miles northwest of Primm, NV and I-15, the small but pristine 7,004-acre (approximate) Stateline Wilderness contains the eastern terminus of the 15-mile long Clark Mountain Range.