Regional Grid and Database Compilations

[CDs are available from USGS Distribution, 1-800-Helpmap]

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• Terrestrial Radioactivity and Gamma-ray Exposure in the United States and Canada
  U.S. Geological Survey Open-File Report 2005-1413
• Preliminary Precambrian Basement Structure Map of the Continental United States - An Interpretation of Geologic and Aeromagnetic Data
  U.S. Geological Survey Open-File Report 2005-1029
• Pan-American Center for Earth and Environmental Studies (PACES) Gravity Data Portal (UTEP, NGA, NOAA, USGS)
  Gravity Station Point Data and Magnetic Grid Point Data for the Conterminous U.S.
• Magnetic Anomaly Map of North America
  Contains links to publications
  U.S. Geological Survey Crustal Imaging and Characterization Team website
• Magnetic Anomaly Map of North America
  Contains image and booklet
  U.S. Geological Survey Special Map
• Digital data grids for the magnetic anomaly map of North America
  U.S. Geological Survey Open-File Report 02-0414 - contains conterminous U.S. subset
• Digital Aeromagnetic Datasets for the Conterminous United States and Hawaii - A Companion to the North American Magnetic Anomaly Map
  U.S. Geological Survey Open-File Report 02-0361
• Aerial Gamma-Ray Surveys of the Conterminous United States and Alaska
  U.S. Geological Survey Open-File Report 99-0562-A through -M, thirteen CD-ROMs, 1999
• Digitized Aeromagnetic Datasets for the Conterminous United States, Hawaii, and Puerto Rico: Contains location maps, specifications database, plots and downloadable data files for each survey area.
  U.S. Geological Survey Open-File Report 99-0557
• Profiles of gamma-ray and magnetic data from aerial surveys over the conterminous United States
  U.S. Geological Survey Digital Data Series DDS-0031, 3 CD-ROMs, 1999 (Release 2)
• Great Basin Geoscience Data Base
  U.S. Geological Survey Digital Data Series DDS-0041, 2 discs, 1996
• Lake Superior Magnetics at original flight altitudes
  USGS EROS Data Center Report
• East-Central U.S. Magnetics at 1000 feet flight altitude above ground
  Geophysical Investigations Map GP-948
• Gravity and Basin Depth Grids in the Basin and Range Province
  Geophysical Investigations Map GP-1012

International

• Geologic, Geophysical, and Mineral Localities Map of Liberia - A Digital Compilation
  U.S. Geological Survey Open File Report 2007-1258