Data Catalog

• Federal

  Total Terrestrial Gamma Activity Polygons for an Aerial Radiological Survey of Abandoned Uranium Mines, Navajo Nation, 1994-1999, USEPA and USDOE

  U.S. Environmental Protection Agency —

  This polygon shapefile presents ranges of ground surface exposure rate from total terrestrial gamma activity, and calculated from aerial gross count data (all gamma...

  • Esri REST
  • HTML
• Federal

  Total Terrestrial Gamma Activity Countours for an Aerial Radiological Survey of Abandoned Uranium Mines, Navajo Nation, 1994-1999, USEPA and USDOE

  U.S. Environmental Protection Agency —

  This line shapefile documents ground surface exposure rate from total terrestrial gamma activity, and calculated from aerial gross count data (all gamma events in the...

  • Esri REST
  • HTML
• Federal

  Flight Areas for an Aerial Radiological Survey of Abandoned Uranium Mines, Navajo Nation, 1994-1999, USEPA and USDOE

  U.S. Environmental Protection Agency —

  This polygon shapefile documents the extent of the aerial radiological surveys of 41 potential uranium mining areas (1,144 square miles) within the Navajo Nation that...

  • Esri REST
  • HTML
• Federal

  Excess Bismuth 214 Contours for an Aerial Radiological Survey of Abandoned Uranium Mines, Navajo Nation, 1994-1999, USEPA and USDOE

  U.S. Environmental Protection Agency —

  This line shapefile provides iso-contours of excess Bismuth 214 in counts per second based upon the 1764keV photopeak. Excess Bismuth 214 is based upon measured minus...

  • Esri REST
  • HTML
• Federal

  Excess Bismuth 214 Polygons for an Aerial Radiological Survey of Abandoned Uranium Mines, Navajo Nation, 1994-1999, USEPA and USDOE

  U.S. Environmental Protection Agency —

  This polygon shapefile presents ranges of ground surface exposure rate from excess Bismuth 214 in counts per second based upon the 1764keV photopeak. Excess Bismuth...

  • Esri REST
  • HTML

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