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Map of the Uravan Mineral Belt. The 70-mile long (110 km) Uravan mineral belt is an arcuate zone of uranium-vanadium deposits in San Miguel, Montrose, and Mesa counties, Colorado, and Grand County, Utah. It was the area most productive of uranium in the United States in the early 20th century.
This is a list of Superfund sites in the U.S. State of Colorado designated under the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA) environmental law. The CERCLA federal law authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term ...
The price of uranium dropped between 2007 and 2009. In 2009 it cost more per pound to mine the uranium than it could be sold for and, as a result, the last working uranium mine closed that year. [2] [a] 2008 gold Gold Hill The only working underground mine in Colorado in 2008 was the Cash mine, built in 1872, at Gold Hill in Boulder County.
The borders of Colorado are now officially defined by 697 boundary markers connected by straight boundary lines. [3] Colorado, Wyoming, and Utah are the only states that have their borders defined solely by straight boundary lines with no natural features. [4] The southwest corner of Colorado is the Four Corners Monument at 36°59'56"N, 109°2 ...
The Silverton Railroad is remembered for the innovative solutions to difficult engineering problems presented by the steep, mountainous terrain which were devised by the railroad's chief locating engineer, Charles Wingate Gibbs – the Chattanooga Loop, the depot in a wye at Red Mountain, and a covered turntable on the main track at Corkscrew ...
Location of La Plata County in Colorado. This is a list of the National Register of Historic Places listings in La Plata County, Colorado. This is intended to be a complete list of the properties and districts on the National Register of Historic Places in La Plata County, Colorado, United States. The locations of National Register properties ...
La Plata County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 55,638. [1] The county seat is Durango. [2] The county was named for the La Plata River and the La Plata Mountains. "La plata" means "the silver" in Spanish. La Plata County comprises the Durango, CO Micropolitan Statistical Area.
Idaho Springs is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. As of the 2020 census it had a population of 1,782. [ 7 ] Idaho Springs is located in Clear Creek Canyon , in the mountains upstream from Golden , some 30 miles (50 km) west of Denver .