Colorado
- Assessment of the alluvial sediments in the Big Thompson River Valley, Colorado
- Digital aeromagnetic data and derivative products from a helicopter survey over the town of Blanca and surrounding areas, Alamosa and Costilla Counties, Colorado
- Digital data and derivative products from a high-resolution aeromagnetic survey of the central San Luis basin, covering parts of Alamosa, Conejos, Costilla, and Rio Grande Counties, Colorado, and Taos County, New Mexico
- Digital inventory of industrial mineral mines and mine permit locations in Colorado
- GeographicIndex
- Photographs of historical mining operations in Colorado and Utah from the U.S. Geological Survey Library
- Surficial geologic maps along the riparian zone of the Animas River and its headwater tributaries, Silverton to Durango, Colorado, with Upper Animas River Watershed gradient profiles