Question: The Campbell and Kelly Building is located in what Nevada county?

full_context: Document 1: Brokers Exchange: The Brokers Exchange in Tonopah, Nevada, also known as the Tonopah Divide Mining Company was built in 1905 during Tonopah's mining boom. Originally a two-story building, it housed a brokerage, real estate office, and the offices of Tonopah lawyer (later United States Senator) Patrick McCarran. A fire destroyed the upper floor in 1912. The Tonopah Divide Mining Company, controlled by George Wingfield and Cal Brougher, purchased the property for use as an office in 1919. The ruined top story was removed and the first floor was re-roofed and capped with a decorate plaster frieze.
Document 2: Minden Butter Manufacturing Company: The Minden Butter Manufacturing Company, also known as the Minden Creamery, is a historic creamery building located at 1617 Water St. in Minden, Nevada. Built in 1916, the creamery was designed by noted Nevada architect Frederic Joseph DeLongchamps. The creamery replaced the Minden Butter Manufacturing Company's first building, which was built in 1908, so the company would have space to pasteurize its products. The company sold butter and other produce under the Windmill brand name and eventually became the largest creamery in Nevada. While the company mainly shipped its goods to the San Francisco area, it also sold internationally; the year before the creamery was built, it sent a large shipment of butter to China. The creamery building is now used by Bently Nevada for manufacturing purposes.
Document 3: Southern Nevada: Southern Nevada (often abbreviated as SNV) is the region of Nevada which includes the Las Vegas Valley. Southern Nevada also includes the areas in and around Tonopah, Hawthorne, Pahrump, and Pioche, though some organizations based in the Las Vegas area (e.g., the Southern Nevada Health District) effectively use the term to refer to Clark County only.
Document 4: Beatty, Nevada: Beatty (pronounced BAY-dee) is an unincorporated town along the Amargosa River in Nye County in the U.S. state of Nevada. U.S. Route 95 runs through the town, which lies between Tonopah, about 90 mi to the north, and Las Vegas, about 120 mi to the southeast. State Route 374 connects Beatty to Death Valley National Park, about 8 mi to the west.
Document 5: Water Company of Tonopah Building: The Water Company of Tonopah Building is a historic building located at the intersection of Burrough and Brougher Avenues in Tonopah, Nevada. Built in 1909, the building housed offices for the Water Company of Tonopah. Tonopah's first water service began in 1902, when three water companies each gained franchises to provide water to one district of the town. By 1905, Philadelphia businessman John Brock owned two of the water companies, which he consolidated into the Water Company of Tonopah. Brock also owned multiple mines in Tonopah and the local railroad. The Water Company of Tonopah Building is the only surviving building which belonged to one of Tonopah's early water companies.
Document 6: Denio, Nevada: Denio is a census-designated place (CDP) that lies on the Nevada-Oregon state line in Humboldt County, Nevada, in the United States. There was formerly a Denio post office north of the state line in Harney County, Oregon. The population of the CDP, which is entirely in Nevada, was 47 at the 2010 census; additional development considered to be Denio extends into Oregon. The CDP includes a post office, a community center, a library, and the Diamond Inn Bar, the center of the town's social life. Recreational activities available in the Denio area include fishing, opal mining, rockhounding, hunting, and visiting the hot springs. The Humboldt County School District operates the Denio School, a kindergarten-eighth grade (K-8) school, on the Nevada side of the state line.
Document 7: Tonopah, Nevada: Tonopah is an unincorporated town in and the county seat of Nye County, Nevada, United States. It is located at the junction of U.S. Routes 6 and 95, approximately midway between Las Vegas and Reno. In the 2010 census, the population was 2,478. The census-designated place (CDP) of Tonopah has a total area of 16.2 sqmi , all land.
Document 8: West Wendover, Nevada: West Wendover is a small city in Elko County, Nevada, United States. The population was 4,410 at the 2010 census. It is part of the Elko micropolitan area. West Wendover is located on the eastern border of Nevada and the western edge of the Great Salt Lake Desert and is contiguous with Wendover, Utah, with which it is sometimes confused. Interstate 80 runs just north of the cities, while Interstate 80 Business (Wendover Boulevard) runs through the two cities.
Document 9: Judge W.A. Sawle House: The Judge W.A. Sawle House is a historic house located at 151 Central Street in Tonopah, Nevada, United States. W.A. Sawle, the local Justice of the Peace, built the house for himself in 1904. The frame house was designed in a blend of the Late Victorian and Colonial Revival styles. The home has a "T"-shaped plan and features a verandah with a crooked shape and a balustrade, wooden jig-cut bracketing along the top of the verandah, and a hipped roof. While living in the house, Sawle became Nye County's recorder and auditor, helped establish Tonopah's first Justice Court building, fathered the first baby born in the city, and invested in the local mining business.
Document 10: Nevada City Firehouse No. 2: Nevada City Firehouse No. 2 is a historic firehouse located at 420 Broad Street in Nevada City, California. Built in 1860-61, the firehouse was the first built in Nevada City. At the time, Nevada City had two factions competing for public funds for a firehouse: the Broad Street fire company and a group based on Main Street. While the Main Street company officially organized a day before the Broad Street company, the Broad Street firehouse had more private funding and was completed first, and hence Firehouse No. 2 became the first in the city. The firehouse features a two-story portico in front and a Greek Revival cornice.
Document 11: Carson City, Nevada: Carson City, officially the Consolidated Municipality of Carson City, is an independent city and the capital of the US state of Nevada, named after the mountain man Kit Carson. As of the 2010 census, the population was 55,274. The majority of the population of the town lives in Eagle Valley, on the eastern edge of the Carson Range, a branch of the Sierra Nevada, about 30 mi south of Reno. The town originated as a stopover for California bound emigrants, but developed into a city with the Comstock Lode, a silver strike in the mountains to the northeast. The city has served as the capital of Nevada since statehood in 1864 and for much of its history was a hub for the Virginia and Truckee Railroad, although the tracks were removed in the 1950s. Prior to 1969, Carson City was the county seat of Ormsby County. In 1969, the county was abolished, and its territory merged with Carson City to form the Consolidated Municipality of Carson City. With the consolidation, the city limits today extend west across the Sierra Nevada to the California state line in the middle of Lake Tahoe. Like other independent cities in the United States, it is treated as a county-equivalent for census purposes.
Document 12: U.S. Route 95 in Nevada: U.S. Route 95 (US 95) is a major U.S. highway traversing the U.S. state of Nevada from north to south directly through Las Vegas and providing connections to both Carson City (via US 50) and Reno (via Interstate 80). US 95 is cosigned with Interstate 80 for 95 mi between a junction in Churchill County and Winnemucca before heading north into Oregon at McDermitt.
Document 13: Lansing Main Street Historic District: The Lansing Main Street Historic District is a nationally recognized historic district located in Lansing, Iowa, United States. It was listed on the National Register of Historic Places in 2014. At the time of its nomination the district consisted of 51 resources, including 42 contributing buildings, 8 non-contributing buildings, and one non-contributing site. The district covers most of the central business district, which is generally along Main Street. The commercial buildings are mostly masonry structures constructed with bricks or native limestone. A few buildings are frame construction with gable roofs. The buildings are from one- to three-stories in height, although most are no taller that two stories. The Italianate architectural style dominates. Most of the upper stories in the buildings housed retail or office space, but a few were residential. The commercial buildings that did not house retail establishments were located near the Mississippi River and were industrial in nature. The G. Kerndt & Brothers Office Block (1861) and the G. Kerndt and Brothers Elevator and Warehouses, No. 11, No.12 and No. 13 (1868) are individually listed on the National Register. Three public buildings are located in the district: the former jail and fire station (ca. 1855-1865), the Art Deco former City Hall (1938), and the modern U.S. Post Office (c. 1960).
Document 14: Reno, Nevada: Reno is a city in the U.S. state of Nevada. It is in Northern Nevada, approximately 22 mi from Lake Tahoe. Known as "The Biggest Little City in the World", Reno is famous for its hotels and casinos and as the birthplace of Harrah's Entertainment (now known as Caesars Entertainment Corporation). It is the county seat of Washoe County, in the northwestern part of the state. The city sits in a high desert at the foot of the Sierra Nevada and its downtown area (along with Sparks) occupies a valley informally known as the Truckee Meadows. It is named after Jesse L. Reno.
Document 15: Campbell and Kelly Building: The Campbell and Kelly Building, at Corona and Main Sts. in Tonopah, Nevada, is a historic building built c. 1912. It was listed on the National Register of Historic Places in 1982.
ground_truth: Nye County