Question: In what county is the ghost town located where the 1925 movie Air Mail was filmed?

Documents:
source: The Air Mail
text: The Air Mail The Air Mail is a 1925 silent film directed by Irvin Willat and starring Warner Baxter, Billie Dove, and Douglas Fairbanks, Jr.. It was produced by Famous Players-Lasky and distributed through Paramount Pictures. Filmed in Death Valley National Park and the ghost town of Rhyolite, Nevada, it was released in the United States on March 16, 1925.

source: Rhyolite, Nevada
text: Rhyolite, Nevada Rhyolite is a ghost town in Nye County, in the U.S. state of Nevada. It is in the Bullfrog Hills, about 120 mi northwest of Las Vegas, near the eastern edge of Death Valley. The town began in early 1905 as one of several mining camps that sprang up after a prospecting discovery in the surrounding hills. During an ensuing gold rush, thousands of gold-seekers, developers, miners and service providers flocked to the Bullfrog Mining District. Many settled in Rhyolite, which lay in a sheltered desert basin near the region's biggest producer, the Montgomery Shoshone Mine.

source: Sasco, Arizona
text: Sasco, Arizona Sasco is a ghost town located in Pinal County, Arizona, west of Red Rock. Sasco, which is an acronym for the Southern Arizona Smelter Company, was a company town with a large smelter that served several mines. Once an impressive and little-known ghost town, today Sasco is a common sporting destination with shotgun shells, airsoft bb's, paintball splatter, and litter in the area.

source: Calico, San Bernardino County, California
text: Calico, San Bernardino County, California Calico is a ghost town and former mining town in San Bernardino County, California, United States. Located in the Calico Mountains of the Mojave Desert region of Southern California, it was founded in 1881 as a silver mining town, and today has been converted into a county park named "Calico Ghost Town". Located off Interstate 15, it lies 3 mi from Barstow and 3 miles from Yermo. Giant letters spelling "CALICO" can be seen on the Calico Peaks behind the ghost town from the freeway. Walter Knott purchased Calico in the 1950s, architecturally restoring all but the five remaining original buildings to look as they did in the 1880s. Calico received California Historical Landmark #782, and in 2005 was proclaimed by then-Governor Arnold Schwarzenegger to be California's Silver Rush Ghost Town.

source: Krag, British Columbia
text: Krag, British Columbia Krag is a ghost town located in the East Kootenay region of British Columbia, Canada. The town is situated near the ghost town of Waldo at Junction of Elk and Kootenay Rivers, Southeast of Cranbrook. Krag was flooded and the town is now underwater.

source: Tee Pee City, Texas
text: Tee Pee City, Texas Tee Pee City is a ghost town located in eastern Motley County near Matador, Texas. The ghost town is near the confluence of Tee Pee Creek and the Middle Pease River in eastern Motley County. The site, originally a Comanche campground, derived its name from the numerous teepee poles found up and down the creek by early settlers.

source: Ghost Town Village
text: Ghost Town Village Ghost Town Village (formerly "Ghost Town in the Sky) is a Wild West-themed amusement park in Maggie Valley, North Carolina, United States that is currently on hiatus. An unusual aspect of this park is that it is located atop a mountain which can only be accessed by visitors via a 3370 ft chair lift or an inclined funicular railway. These start at the parking area beside Jonathan Creek at an elevation of 3150 ft , climbing to the lower level of the park at 4400 ft , a climb of 1250 ft . The recreated "Ghost Town" sits at 4600 ft , with the highest elevation in the park being about 4650 ft . The park is located on a ridge extending from Buck Mountain border, an extension of the Cataloochee Divide, to the Great Smoky Mountains National Park. The park's entrance is located on U.S. Highway 19, the main road through the town. Ghost Town is promoted as "North Carolina's mile-high theme park."

source: Ghost Town, Oakland, California
text: Ghost Town, Oakland, California Ghost Town (sometimes spelled Ghosttown) is the informal name of the Foster Hoover Historic District neighborhood in West Oakland, Oakland, California. The community is known for its violence and blight . Some people believe the name originates from a drug king pin who referred to the area as a ghost town due to the shortage of other drug dealers whose absence was attributed to the king pin's dominance over the area. Others believe it derives from the two former casket companies located side by side on Filbert Street between 30th and 32nd Streets, while others claim that the presence of ghostly white people in an historically black neighborhood gave it its name. Ghost Town stretches from 27th Street to 35th Street in the area immediately southwest of the MacArthur Maze. Others see the neighborhood bounded by Adeline on the West and San Pablo on the East. Ghost Town Farms, one of the more successful expressions of urban agriculture activity in Oakland is located in the heart of the district at 2727 Martin Luther King Jr. Way, between 27th and 28th Streets. The area is also one of Oakland's many open-air art galleries, with exceptional muralist work continually on exhibition, particularly along Martin Luther King Jr. Way. This neighborhood has an active citizen crime patrol, including one group of seniors who walk the neighborhood weekly to get physical exercise and report blight. Jerry Brown, governor of California and former Mayor of Oakland stated: "Instead of an omnibus crime bill, you have to deal with shootings in Ghost Town in West Oakland and sideshows in East Oakland." Brown made attempts to turn around the blighted West Oakland neighborhood after "60 Minutes" featured it in a television profile. Housing prices have increased. So has drug dealing, especially since nearby parks were closed by the City of Oakland. Prostitution, in 2015, has been on the decline for at least a decade.

source: Gladstone, British Columbia
text: Gladstone, British Columbia Gladstone is a ghost town located in the Boundary Country region of British Columbia. Gladestone is located near McRae Creek. Today Gladestone is also known as Coryell. In 1898 Gladestone had 3 hotels, 3 stores, a livery stable among other businesses. Gladstone became a town built on mining and the railway. Many prospectors came to the area in order to mine a place called Burnt Basin. By 1899 Gladestone started to decline and eventually became a ghost town.

source: Waldo, British Columbia
text: Waldo, British Columbia Waldo is a ghost town located in the East Kootenay region of British Columbia, Canada. The town is situated near the ghost town of Krag, north of junction of Elk and Kootenay Rivers. Waldo was flooded and is now underwater.

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Answer: Nye County