Durango

Until recently, the Animas River—known in Spanish as “El Río de las Ánimas,” or “The River of Lost Souls”—was one of only a few undammed rivers in southwestern Colorado. The Upper Animas River Canyon bears the legacy of the longest hard-rock mining operations in southwestern Colorado. The mineral-...

Fort Lewis was a US Army post in southwest Colorado that operated from 1878 to 1891. The post had two locations: the first, Camp Lewis, in Pagosa Springs and the second south of Hesperus. Camp Lewis was founded in 1878 and moved to Hesperus in 1880 because Pagosa Springs was too far from the Ute...

La Plata County covers 1,700 square miles in southwest Colorado. It is named for the La Plata River and La Plata Mountains, both of which are named for the Spanish word for “silver.” La Plata County is bordered to the north by San Juan County , to the east by Hinsdale and Archuleta counties, to the...

From the 1850s to the 1920s, gold and silver mining drove Colorado’s economy, making it into an urbanized, industrial state. The rapid development of Colorado’s mineral resources had political, social, and environmental consequences. The mining of gold and silver in Colorado began in earnest during...

Uranium mining in Colorado dates to the late nineteenth century, when uranium resources were discovered in the southwestern part of the state. The region’s Uravan Mineral Belt is rich in carnotite, the ore that produces uranium and vanadium. Both elements have various industrial and military...