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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... -
Federal
Abandoned Uranium Mine (AUM) Surface Areas, Navajo Nation, 2016, U.S. EPA Region 9
U.S. Environmental Protection Agency —
This GIS dataset contains polygon features that represent all Abandoned Uranium Mines (AUMs) on or within one mile of the Navajo Nation. Attributes include mine... -
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... -
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... -
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...