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Geologic Atlas: Birmingham folio, Alabama
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both... -
National Geologic Map Database
A distributed archive of standardized geoscience spatial information and data for the nation. Developed by the USGS and State Geological Surveys. -
Geologic Atlas: Nantahala folio, North Carolina-Tennessee
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both... -
Geologic Atlas: Asheville folio, North Carolina-Tennessee
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both... -
USGS Mineral Resources: Indiana geologic map data
From the site: "A GIS database of geologic units and structural features in Indiana, with lithology, age, data structure, and format written and arranged just like the other... -
Geologic Atlas: Dover folio, Delaware-Maryland-New Jersey
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both... -
USGS Mineral Resources: Delaware geologic map data
From the site: "A GIS database of geologic units and structural features in Delaware, with lithology, age, data structure, and format written and arranged just like the other... -
Geologic Atlas: Somerset-Windber folio, Pennsylvania
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both... -
Geologic Atlas: Bessemer-Vandiver folio, Alabama
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both... -
Geologic Atlas: Choptank folio, Maryland
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both... -
Geologic Atlas: Cleveland folio, Tennessee
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both... -
Geologic Atlas: Norfolk folio, Virginia-North Carolina
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both... -
USGS NGMDB: West Winston-Salem quadrangle
From the National Geologic Map Database site: "Geologic map of the west half of the Winston-Salem quadrangle, North Carolina, Virginia, and Tennessee" -
Geologic Atlas: Raleigh folio, West Virginia
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both... -
Geologic Atlas: Johnstown folio, Pennsylvania
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both... -
Global catalog of earthquakes
Catalog of Earthquakes 1970-2014, Source: ANSS - USGS The ANSS Comprehensive Catalog (ComCat) contains earthquake source parameters (e.g. hypocenters, magnitudes, phase picks...