Question: Where are the San Juan Mountains in the state that uses the 575 area code?

full_context: Document 1: Lost Dutchman's Gold Mine: The Lost Dutchman's Gold Mine (also known by similar names) is, according to legend, a rich gold mine hidden in the southwestern United States. The location is generally believed to be in the Superstition Mountains, near Apache Junction, east of Phoenix, Arizona. There have been many stories about how to find the mine, and each year people search for the mine. Some have died on the search.
Document 2: Area codes 587 and 825: Area codes 587 and 825 are telephone area codes that cover all of Alberta, Canada, in addition to the incumbent codes, southern Alberta's 403 and northern Alberta's 780. Numbers in area code 587 started being allocated in late 2008. The new area codes overlay 403 and 780 simultaneously, covering the entire province, and make 10 - digit dialing necessary throughout Alberta.
Document 3: Area codes 978 and 351: Area code 978 was created as a split from area code 508 on September 1, 1997 and covers north central and most of northeastern Massachusetts (LATA code 128). Use of 978 became mandatory February 1, 1998. Prior to when this area was served by 508 (July 1988), it was served only by the 617 area code, along with the rest of the eastern two - thirds of the state. 351 has been sharing the service area since May 2, 2001. Since then, 10 digit local dialing is mandatory.
Document 4: San Juan Mountains: The San Juan Mountains are a high and rugged mountain range in the Rocky Mountains in southwestern Colorado and northwestern New Mexico. The area is highly mineralized (the Colorado Mineral Belt) and figured in the gold and silver mining industry of early Colorado. Major towns, all old mining camps, include Creede, Lake City, Silverton, Ouray, and Telluride. Large scale mining has ended in the region, although independent prospectors still work claims throughout the range. The last large scale mines were the Sunnyside Mine near Silverton, which operated until late in the 20th century and the Idarado Mine on Red Mountain Pass that closed down in the 1970s. Famous old San Juan mines include the Camp Bird and Smuggler Union mines, both located between Telluride and Ouray.
Document 5: La Plata Mountains: The La Plata Mountains are a small subrange of the San Juan Mountains in the southwestern part of Colorado, United States. They are located on the border between Montezuma and La Plata counties, about northwest of Durango. Their name is Spanish for "silver".
Document 6: Geography of the United States: The Great Plains come to an abrupt end at the Rocky Mountains. The Rocky Mountains form a large portion of the Western U.S., entering from Canada and stretching nearly to Mexico. The Rocky Mountain region is the highest region of the United States by average elevation. The Rocky Mountains generally contain fairly mild slopes and wider peaks compared to some of the other great mountain ranges, with a few exceptions (such as the Teton Mountains in Wyoming and the Sawatch Range in Colorado). The highest peaks of the Rockies are found in Colorado, the tallest peak being Mount Elbert at 14,440 ft (4,400 m). The Rocky Mountains contain some of the most spectacular, and well known scenery in the world. In addition, instead of being one generally continuous and solid mountain range, it is broken up into a number of smaller, intermittent mountain ranges, forming a large series of basins and valleys.
Document 7: Brazos Mountains: The Brazos Mountains is a range in far northern Rio Arriba County, in northern New Mexico in the southwestern United States. The range is part of the southern portion of the San Juan Mountains which are more well known in Colorado. A high crest runs from the border with Colorado for over in a south-southeasterly direction. The high point of the range at is on Grouse Mesa,
Document 8: Area code 252: Area code 252 designates a telephone number plan area (NPA) in the North American Numbering Plan that consists of the northeastern corner of the State of North Carolina, and includes the municipalities of Kinston, Elizabeth City, Greenville, Henderson, Kitty Hawk, New Bern, Roanoke Rapids, Rocky Mount, Morehead City and Wilson. It was split from area code 919 on March 22, 1998.
Document 9: Silver City, Utah: Silver City is a ghost town located at the mouth of Dragon Canyon on the west flank of the East Tintic Mountains in northeast Juab County in central Utah, United States. It was a silver mining town approximately south-southwest of Salt Lake City, Utah. This area was considered part of the Tintic Mining District and also produced bismuth, copper, gold, and lead. Settlement began with the first mining strikes here in 1869. Silver City was inhabited until 1930 after the mines ran out. Jesse Knight, known as the "Mormon Wizard" for his ability to find ore easily, decided to build a smelter in Silver City because it had the flattest ground in all of the Tintic Mining District. Silver City had several mines in 1890, but the mines hit water and were abandoned. Now there is little left other than a few holes where mines were, and a number of tailings piles. The Silver City Cemetery, however, survives and is listed on the National Register of Historic Places.
Document 10: Area codes 715 and 534: North American telephone area codes 715 and 534 are state of Wisconsin area codes covering most of the northern part of the state.
Document 11: Area codes 508 and 774: Area codes 508 and 774 are North American Numbering Plan (NANP) telephone area codes for the U.S. state of Massachusetts. This service area currently includes south - central and most of southeastern Massachusetts (LATA code 128). It includes Worcester, Outer south & southwest Greater Boston (such as the MetroWest region), as well as Fall River, New Bedford, Cape Cod, Martha's Vineyard, and Nantucket.
Document 12: Area code 575: Area code 575 is an area code in the U.S. state of New Mexico. It serves the remainder of the state outside the Albuquerque, Santa Fe, Farmington, and Gallup metropolitan and micropolitan areas, which remain in area code 505. The new code became effective on October 7, 2007, splitting from area code 505.
Document 13: Area code 956: North American area code 956 is a state of Texas telephone area code for numbers in the Brownsville, McAllen, Laredo and South Padre Island areas. It was created May 25, 1997, in a split from area code 210.
Document 14: Area code 607: North American area code 607 is a state of New York telephone area code servicing parts of its Southern Tier (which borders Pennsylvania). It was split from parts of area codes 315 and 716 in 1954. Initially, in the late 1940s, area codes with a middle digit of ``0 ''(x0x - xxx - xxxx) were assigned only to jurisdictions covering an entire state. Along with 507 in Minnesota and 606 in Kentucky, 607 was among the first such area codes to be added to a jurisdiction.
Document 15: Turquoise: 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.
ground_truth: northwestern New Mexico
sub_queries: where is the area code 575 located in Answer: New Mexico
where are the san juan mountains in New Mexico Answer: northwestern New Mexico