GEOLOGY is one of the twelve chapters of The National Atlas of the United States® which was coordinated and lead by USGS. In this volume we have incorporated 46 layers of information.

These layers are the following:

  • Coal Fields
  • Continental Divide
  • Earthquake
  • Elevation Contours
  • Geologic Map
  • Geologic Map - Calderas
  • Geologic Map - Faults
  • Geologic Map - Impact Sites
  • Geologic Map - Methamorphic Areas
  • Geologic Map - 1:500 k State by State
  • Geologic Map - Faults 1:500 k
  • Glacial Limits
  • Karst - Engineering Aspects
  • Karst - Subsidence
  • Landslide - Incidence and Susceptibility
  • Landslide - Costly Events
 
  • Landslide - Costly Regional Events
  • Magnetic Field - Declination, 1 degree increments
  • Magnetic Field - Declination Secular Variation, arc mins/yr
  • Magnetic Field - Horizontal Intensity, 500 nanoTesla increments
  • Magnetic Field - Horizontal Intensity Secular Variation, nano Tesla/yr
  • Magnetic Filed - Inclination, 1 degree increments
  • Magnetic Field - Inclination Secular Variation, arc mins/yr
  • Magnetic Field - Total Field Intensity, 500 nanoTesla Increments
  • Magnetic Field - Total Field Intensity Secular variation, nano Tesla/yr
  • Magnetic Field - Vertical Intensity, 500 nanoTesla Increments
  • Magnetic Field - Vertical Intensity Secular Variation, nanoTesla/yr
  • Mineral Operations - Agricultural Minerals
  • Mineral Operations - Construction Minerals
  • Mineral Operations - Ferrous Metal Mines
  • Mineral Operations - Ferrous Metal Processing Plants
  • Mineral Operations - Nonferrous Metal Mines
 
  • Mineral Operations - Micellaneous Industrial Operations
  • Mineral Operations - Nonferrous Metal Processing Plants
  • Mineral Operations - Refractory, Abrasive and Other Industrial Operations
  • Mineral Operation - Sand and Gravel Operations
  • Mineral Operations - Stone, Crushed
  • Quaternary Faults
  • Seismic Hazard - Peak Acceleration
  • Surficial Deposits (Eastern & Central States)
  • Volcanoes
  • Waterways
  • State Boundaries
  • County Boundaries
  • Railroads
  • Main Roads (inc Ferries)
  • Latitude and Longtitude