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USGS is a primary source of geographic information system (GIS) data. Our data and information is presented in spatial and geographic formats, including The National Map, Earth Explorer, GloVIS, LandsatLook, and much more. Explore GIS Data Maps.

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January 1, 1999

Maps showing areas of potential for metallic mineral resources in the Valdez 1° x 3° quadrangle, Alaska Maps showing areas of potential for metallic mineral resources in the Valdez 1° x 3° quadrangle, Alaska

No abstract available.

January 1, 1999

Maps Showing Locations of Damaging Landslides Caused by El Nino Rainstorms, Winter Season 1997-98, San Francisco Bay Region, California Maps Showing Locations of Damaging Landslides Caused by El Nino Rainstorms, Winter Season 1997-98, San Francisco Bay Region, California

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. Reports of landsliding began in early January 1998 and continued throughout the winter and spring. On February 9, President Clinton declared all 10 counties eligible for Federal Emergency Management Agency (FEMA)...

Natural Hazards Mission Area, Landslide Hazards Program, Geologic Hazards Science Center

January 1, 1999