Question: What county is Desert of Maine located in?

full_context: Document 1: Saco, Maine: Saco is a city in York County, Maine, United States. The population was 18,482 at the 2010 census. It is home to Ferry Beach State Park, Funtown Splashtown USA, Thornton Academy, as well as General Dynamics Armament Systems (also known by its former name, Saco Defense), a subsidiary of the defense contractor General Dynamics. Saco sees much tourism during summer months, due to its amusement parks, Ferry Beach State Park, and proximity to Old Orchard Beach.
Document 2: Freeport, New York: Freeport (officially The Incorporated Village of Freeport) is a village in the town of Hempstead, Nassau County, New York, USA, on the South Shore of Long Island. The population was 43,713 at the 2010 census. A settlement since the 1640s, it was once an oystering community and later a resort popular with the New York City theater community. It is now primarily a bedroom suburb but retains a modest commercial waterfront and some light industry.
Document 3: Rome Sand Plains: Rome Sand Plains is a 15000 acre pine barrens about 5 mi west of the city center of Rome in Oneida County in central New York. It consists of a mosaic of sand dunes rising about 50 ft above low peat bogs that lie between the dunes. The barrens are covered with mixed northern hardwood forests, meadows, and wetlands. About 4000 acre are protected in conservation preserves. Pine barrens are typical of seacoasts; the Rome Sand Plains is one of only a handful of inland pine barrens remaining in the United States. A second inland pine barrens, the Albany Pine Bush, is also found in New York, located north and west of state's capital Albany.
Document 4: The Maine Mall: The Maine Mall, also known as Maine Mall, built in 1971, is an enclosed shopping mall located in South Portland, Maine, a suburb of Portland. At 1200000 sqft , it is the largest shopping mall in the state of Maine, and the largest in northern New England. Anchored by Best Buy, JCPenney, Macy's, and Sears, the mall features over 140 tenants, a food court and several ancillary restaurant/retail pad sites.
Document 5: Freeport, Maine: Freeport is a town in Cumberland County, Maine, United States. The population was 7,879 at the 2010 census. Known for its numerous outlet stores, Freeport is home to L.L. Bean, Wolfe's Neck Woods State Park, and the Desert of Maine.
Document 6: Eastport, Maine: Eastport is a small city (consisting entirely of islands) in Washington County, Maine, United States. The population was 1,331 at the 2010 census. The principal island is Moose Island, which is connected to the mainland by causeway. Eastport is the easternmost city in the United States (although the nearby town of Lubec is the easternmost municipality).
Document 7: Dunwich Forest: Dunwich Forest is an area of forest and lowland heath around 1 mi north-east of the village of Dunwich in the English county of Suffolk. The forest covers an area of around 9 sqkm and was originally planted by the Forestry Commission. The forest is within the Suffolk Coast and Heaths Area of Outstanding Natural Beauty and is in the area known as the Suffolk Sandlings. South of the reserve is the National Trust property of Dunwich Heath, one of the largest remaining areas of lowland heath on the Suffolk coast, and the RSPB reserve at Minsmere. To the north and east of the forest are Dingle Marshes, part of the Suffolk Coast National Nature Reserve.
Document 8: Cumberland County, Maine: Cumberland County is a county located in the state of Maine, in the United States. As of the 2010 census, the population was 281,674, making it the most populous county in Maine. Its county seat is Portland. Cumberland County was founded in 1760 from a portion of York County, Massachusetts and named for William, Duke of Cumberland, a son of King George II.
Document 9: Desert of Maine: The Desert of Maine is a 40 acre tract of exposed glacial silt (a sand-like substance, but finer-grained than sand) surrounded by a pine forest near the town of Freeport, Maine, in the United States. The Desert of Maine is not a true desert, as it receives an abundance of precipitation, and the surrounding vegetation is being allowed to encroach on the barren dunes.
Document 10: Piney (Pine Barrens resident): Piney is a derogatory term that refers to inhabitants of the New Jersey Pine Barrens. The Pine Barrens have sandy, acidic soil considered unsuitable for traditional farming by early settlers, who called the land "barren". The area is forested mainly with pitch pine and scrub oak. Many areas are swampy with cedar forests that grow along brownish-red, fresh water called "cedar water." The red color is actually created by the high level of iron in the water.
Document 11: Cumberland County Jail: The Cumberland County Jail is located in Portland, Maine, and is the largest jail in the state. The jail, a division of the Cumberland County Sheriff's Office, is a part of Cumberland County government and is wholly operated by the elected Sheriff. In 2002 it became the first jail in the state of Maine to receive national accreditation from the American Correctional Association, at the time putting it among only 4% of adult correctional facilities in the USA to have been so accredited. It has the capacity to accommodate 600 inmates, and employs over 200 staff (including 130 Corrections Officers). Most inmates are serving short sentences or awaiting trial.
Document 12: Agamenticus: The Mount Agamenticus region covers nearly 30,000 acres (121 km²) in the southern Maine towns of Eliot, Ogunquit, South Berwick, Wells and York. It is now a park reservation which provides habitat for wildlife and a venue for recreation. At the mountain peak is the burial place of Mi'kmaq Chief St. Aspinquid.
Document 13: Pine Barrens (New Jersey): The Pine Barrens, also known as the Pinelands or simply the Pines, is a heavily forested area of coastal plain stretching across more than seven counties of New Jersey. The name "pine barrens" refers to the area's sandy, acidic, nutrient-poor soil. Although European settlers could not cultivate their familiar crops there, the unique ecology of the Pine Barrens supports a diverse spectrum of plant life, including orchids and carnivorous plants. The area is also notable for its populations of rare pygmy Pitch Pines and other plant species that depend on the frequent fires of the Pine Barrens to reproduce. The sand that composes much of the area's soil is referred to by the locals as sugar sand.
Document 14: Pine barrens: Pine barrens, pine plains, sand plains, or pinelands occur throughout the northeastern U.S. from New Jersey to Maine (see Atlantic coastal pine barrens) as well as the Midwest, Canada and northern Eurasia. Pine barrens are plant communities that occur on dry, acidic, infertile soils, dominated by grasses, forbs, low shrubs, and small to medium-sized pines. The most extensive barrens occur in large areas of sandy glacial deposits, including outwash plains, lakebeds, and outwash terraces along rivers.
Document 15: Cumberland Center, Maine: Cumberland Center is a census-designated place (CDP) within the town of Cumberland in Cumberland County, Maine, United States. The population was 2,499 at the 2010 census. It is part of the Portland – South Portland – Biddeford, Maine, Metropolitan Statistical Area.
ground_truth: Cumberland County, Maine, United States