Aug 26, 2024 | Active Projects, Restoration Projects
Project Background Along an 11-mile stretch of the Arkansas River, almost 7 acres of fluvial tailings—contaminated deposits from historic mining operations in the Leadville Mining District—pose significant environmental and public health risks. These white,...
Aug 26, 2024 | Active Projects, Restoration Projects
Project Background The Sherman Mine, also known as Day Mines, is situated in the upper Iowa Gulch at the base of Mt. Sherman, approximately 8 miles northwest of Leadville. The mine operated from 1968 to 1982, primarily producing silver, lead, and zinc. In 2008, the...
Aug 26, 2024 | Active Projects, Restoration Projects
Project Background The Dinero Mine Tunnel, located in the upper Arkansas River area, has been the focus of restoration efforts since 2009, when a bulkhead was installed to improve water quality by reducing metal concentrations in water leaking from the tunnel. While...
