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Precambrian basement of the north Mid-Continent U.S.A.: a digital representation of the 1990 P.K. Sims map
Geologic units, structural features, drill hole locations, and structure contours |
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Airborne magnetic and radiometric survey, southeastern Illinois, western Kentucky, and southern Indiana, 2019
Digital flight line data for a high-resolution magnetic and radiometric survey over an area of southeast Illinois, western Kentucky, and southern Indiana. Data are provided in CSV and GeoTiff formats. |
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