paragraph_text: The Southwest United States is a significant source of turquoise; Arizona, California (San Bernardino, Imperial, Inyo counties), Colorado (Conejos, El Paso, Lake, Saguache counties), New Mexico (Eddy, Grant, Otero, Santa Fe counties) and Nevada (Clark, Elko, Esmeralda County, Eureka, Lander, Mineral County and Nye counties) are (or were) especially rich. The deposits of California and New Mexico were mined by pre-Columbian Native Americans using stone tools, some local and some from as far away as central Mexico. Cerrillos, New Mexico is thought to be the location of the oldest mines; prior to the 1920s, the state was the country's largest producer; it is more or less exhausted today. Only one mine in California, located at Apache Canyon, operates at a commercial capacity today.

paragraph_text: The state of New Mexico has privatized the operations of Spaceport America; the spaceport will be operated by Virgin Galactic, a component of the Virgin Group of global companies operated by Sir Richard Branson. While the Spaceport Authority will exercise public-sector oversight, Virgin Galactic will be the "anchor tenant" of the spaceport.

paragraph_text: Riverside is an unincorporated community in northeastern Clark County, Nevada, United States. It is located on the Virgin River near Bunkerville and Mesquite; the town is accessible via Nevada State Route 170, which connects all three towns. Riverside is the site of the highway bridge over the river.

paragraph_text: Six of the seven lines of the commuter rail system, Metrolink, run out of Downtown Los Angeles, connecting Los Angeles, Ventura, San Bernardino, Riverside, Orange, and San Diego counties with the other line connecting San Bernardino, Riverside, and Orange counties directly.

paragraph_text: Nela Park is the headquarters of GE Lighting, and is located in East Cleveland, Ohio, United States. Today, GE Lighting is a part of GE Home & Business Solutions, headquartered in Louisville, Kentucky. Nela Park serves as the operating headquarters of GE Lighting.

paragraph_text: San Jacinto is a city in Riverside County, California. It was named after Saint Hyacinth and is located at the north end of the San Jacinto Valley, with Hemet to its south and Beaumont, California, to its north. The mountains associated with the valley are the San Jacinto Mountains. The population was 44,199 at the 2010 census. The city was founded in 1870 and incorporated on April 20, 1888, making it one of the oldest cities in Riverside County.

paragraph_text: VMS "Eve" is the first, and so far only, White Knight Two, built by Scaled Composites for Virgin Galactic. The "VMS" prefix stands for "Virgin Mothership".

paragraph_text: Riverside is an unincorporated community in New Castle County, Delaware, United States. Riverside is located at the intersection of U.S. Route 13 Business and Harvey Road southwest of Claymont.

paragraph_text: Grant Airport is a privately owned, public use airport located two nautical miles (4 km) northeast of the central business district of Grant, a city in Newaygo County, Michigan, United States. The airport in uncontrolled, and is used for general aviation purposes.

paragraph_text: Desert Beach is an unincorporated community in Riverside County, California, United States. Desert Beach is located on the north shore of the Salton Sea near California State Route 111, east-southeast of Mecca.

paragraph_text: Sriwijaya Air is an Indonesian airline based in Jakarta with its headquarters located at Soekarno-Hatta International Airport M1 Area in Tangerang, near Jakarta. Sriwijaya Air is the country's third largest carrier, operating a fleet of narrow-body aircraft, and offers flights to various Indonesian destinations and a few international destinations. The airline is listed as a Category 1 airline by Indonesia's Civil Aviation Authority, the highest status that can be achieved for operational safety.

paragraph_text: Belltown is an unincorporated community in Riverside County, California. It lies at an elevation of 840 feet (256 m). Belltown is located north of Riverside.

paragraph_text: Riverside is an unincorporated community and census-designated place in Stonycreek Township, Cambria County, Pennsylvania, United States. It is located just to the south of the city of Johnstown inside a bend formed by the Stonycreek River. As of the 2010 census, the population of Riverside was 381.

paragraph_text: The OFID Headquarters (located in Vienna's first district, on the Ringstraße) was the residential palace of the Austrian Archduke Wilhelm Franz Karl. Built between 1864 and 1868 to the architectural design of Theophil von Hansen, the palace was sold to the German Order of Knights (Teutonic Order) in 1870 and used as headquarters of the Grand Master, the last of whom was Archduke Eugen. From 1894, it served as the palace of both the Grand and German Masters, acquiring the name, Deutschmeister-Palais. In 1938 following the dissolution of the German Order of Knights, the building was seized by National Socialist (Nazi) Germany and, in 1942, it was handed over to the police authorities. Between 1945 and 1975, it served as headquarters of the Vienna police. After an interregnum, the building became the property of OFID.

paragraph_text: Bly (formerly, Bly Junction) is an unincorporated community in Riverside County, California. It lies at an elevation of 751 feet (229 m). Bly is located west of downtown Riverside.

paragraph_text: The Motte Rimrock Reserve, a unit of the University of California Natural Reserve System affiliated with the University of California, Riverside, is an ecological reserve and biological field station located on a small plateau overlooking the Perris Valley in west-central Riverside County, California, United States.

paragraph_text: Citibank Australia was opened in 1985 and was one of the first foreign banks to be granted a banking licence in Australia, besides being one of the largest international banks in the country. Since 2001, the national headquarters have been located at the Citigroup Centre, Sydney.

paragraph_text: Palomar Observatory is an astronomical observatory located in San Diego County, California, United States, southeast of Los Angeles, California, in the Palomar Mountain Range. It is owned and operated by the California Institute of Technology (Caltech) located in Pasadena, California. Research time is granted to Caltech and its research partners, which include the Jet Propulsion Laboratory (JPL) and Cornell University.

paragraph_text: Maricopa County Sheriff's Office Abbreviation MCSO Patch of the Maricopa County Sheriff's Office Agency overview Formed 1871 Employees 3,300 Legal personality Governmental: Government agency Jurisdictional structure Operations jurisdiction * County of Maricopa in the state of Arizona, U.S. Size 9,224 square miles (23,890 km) Population 4,242,997 (est 2016) General nature Law enforcement Civilian police Operational structure Headquarters Phoenix, Arizona Agency executive Paul Penzone, Sheriff of Maricopa County Facilities Aviation Units Bell 407, OH - 58, TH - 55, Cessna 206, and Piper Navajo Website Official Website Footnotes * Divisional agency: Division of the country, over which the agency has usual operational jurisdiction.

paragraph_text: Riverside is an unincorporated community in Grant County, New Mexico, United States. It lies on the left (east) bank of the Gila River and on both sides of U.S. Route 180 in southwestern New Mexico, by road south of Cliff, New Mexico.

Question: What country is Riverside, Grant County, in the state where the headquarters of White Knight Two's operator is located a part of?
Answer: U.S.