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Mineral Resources On-Line Spatial Data

Aeroradiometric Surveys of North America

Data generated by aerial sensing of radiation emanating from the earth's surface provides general estimates of the geographic distribution of Uranium, Thorium, and Potassium in surficial and bedrock units. Covers the conterminous United States, southeastern Canada, and most of Alaska, but there are gaps in northern Québec, western Canada, and north central Alaska

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reduced-size image of the interactive map reduced-size image of the interactive map
North America NURE surveys
Show in your GIS using OGC WMS:
http://mrdata.usgs.gov/services/aerorad?request=GetCapabilities&service=WMS&version=1.1.1
Show in Google Earth or another KML viewer:
Download:
Get the entire data set
TIFF image dimensions size TFW Thumbnail Geosoft Grid
Color composite 5823 x 2371 40M tfw PNG, 111kb (unavailable)
Potassium 5828 x 2444 41M tfw PNG, 66kb NAMrad_K.grd
NAMrad_K.grd.gi
Thorium 5865 x 2480 42M tfw PNG, 66kb NAMrad_Th.grd
NAMrad_Th.grd.gi
Uranium 5868 x 2432 41M tfw PNG, 66kb NAMrad_U.grd
NAMrad_U.grd.gi
Absorbed dose 5839 x 2456 41M tfw PNG, 66kb NAMrad_exp.grd
NAMrad_exp.grd.gi

Additional downloadable data files are available from the original publication

Documentation:
Metadata:
[Outline] - [Questions & Answers] - [Plain text]
Publication:
USGS Open-File Report 2005-1413
Terrestrial Radioactivity and Gamma-ray Exposure in the United States and Canada
The national compilation, including United States, southeastern Canada, and most of Alaska, with gaps in northern Québec, western Canada, and north central Alaska
http://pubs.usgs.gov/of/2005/1413/
USGS Open-File Report 2009-1129
Aeromagnetic and aeroradiometric data for the conterminous United States and Alaska from the National Uranium Resource Evaluation (NURE) program of the U.S. Department of Energy
Flight-line data from the original surveys available for each 1°x2° map quadrangle, used in creating the national compilation
http://pubs.usgs.gov/of/2009/1129/

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