The Alaska aeromagnetic compilation maps contain data from 85 separate surveys, digitized maps, and previous gridded compilations. This map is an index to the flightline spacing of the original surveys. Move the mouse around the map and click on the individual surveys for more information. A tabular index (see index) provides a summary of the data sources. The raw data for all these surveys are available from the National Geophysical Data Center (NGDC), Boulder, Colorado.
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