U.S. Geological Survey
                 South Dakota Aeromagnetic Data Index Map


South Dakota Aeromagnetic Projects


The South Dakota aeromagnetic compilation map contains data from 15 separate digital aeromagnetic surveys and digitized maps. The  index map shows the location and flightline spacing of the original surveys. A tabular index provides a summary of the data sources. Selected digital data are available from the National Geophysical Data Center (NGDC), Boulder, Colorado.


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