Open-File Report 2005-1413
The image below shows the coverage of aerial gamma-ray surveys in Canada that were used for this compilation. Flightline spacings varied from less than 1 km to more than 25 km. A PDF file of this index map is also available. Please refer to the web site of the Geological Survey of Canada for current information about data in Canada. Click on the map to view a higher resolution version of the index map.
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