GIS Data
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Geologic map of the Skull Creek quadrangle, Moffat County Colorado Geologic map of the Skull Creek quadrangle, Moffat County Colorado
The Skull Creek quadrangle is in northwestern Colorado a few miles north of Rangely. The prominent structural feature of the Skull Creek quadrangle is the Skull Creek monocline. Pennsylvanian rocks are exposed along the axis of the monocline while hogbacks along its southern flank expose rocks that are from Permian to Upper Cretaceous in age. The Wolf Creek monocline and the Wolf Creek...
Map and description of the active part of the Slumgullion Landslide, Hinsdale County, Colorado Map and description of the active part of the Slumgullion Landslide, Hinsdale County, Colorado
This text accompanies a map of many of the features on the active part of the Slumgullion landslide, Hinsdale County, Colo. Long-term movement creates and destroys a variety of structural features on the surface of the landslide including faults, fractures, and folds, as well as basins and ridges. The Slumgullion landslide consists of a large volume of inactive landslide deposits and a...
Map showing locations of damaging landslides in Alameda County, California, resulting from 1997-98 El Nino rainstorms Map showing locations of damaging landslides in Alameda County, California, resulting from 1997-98 El Nino rainstorms
Heavy rainfall associated with a strong El Nino caused over $150 million in landslide damage in the 10-county San Francisco Bay region during the winter and spring of 1998. A team of USGS scientists collected information on landslide locations and damage costs. In Alameda County more than $20 million in damages were assessed. Debris flows occurred in rural portions of the county, but...
Map showing locations of damaging landslides in Contra Costa County, California, resulting from 1997-98 El Nino rainstorms Map showing locations of damaging landslides in Contra Costa County, California, resulting from 1997-98 El Nino rainstorms
Heavy rainfall associated with a strong El Nino caused over $150 million in landslide damage in the 10-county San Francisco Bay region during the winter and spring of 1998. A team of USGS scientists collected information on landslide locations and damage costs. About $27 million in damages were assessed in Contra Costa County.
Map showing locations of damaging landslides in Marin County, California, resulting from 1997-98 El Nino rainstorms Map showing locations of damaging landslides in Marin County, California, resulting from 1997-98 El Nino rainstorms
Heavy rainfall associated with a strong El Nino caused over $150 million in landslide damage in the 10-county San Francisco Bay region during the winter and spring of 1998. A team of USGS scientists collected information on landslide locations and damage costs. About $2.5 million in damages were assessed in Marin County.