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  3. Airborne geophysical surveys

St Louis (MO-IL)

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Survey type M/R-D (magnetic; radiometric; collected in digital form)
Flown by Geodata International, Inc.
Date flown 09/80-10/80
Line spacing 9.6 (km)
Altitude 121.9 (m)
Total distance 2,806 (km)
References
Hill, Patricia L., Kucks, Robert P., Ravat, Dhananjay, 2009, 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; Open-File Report 2009-1129

https://pubs.usgs.gov/of/2009/1129/
Counties Calhoun - Jersey - Macoupin - Madison - Monroe - Randolph - Saint Clair - Callaway - Crawford - Franklin - Gasconade - Jefferson - Lincoln - Maries - Montgomery - Osage - Phelps - Saint Charles - Sainte Genevieve - Saint Francois - Saint Louis - Warren - Washington - Saint Louis
Overlapping surveys

Data: Magnetic, radiometric (NURE) (NURE)

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Download SAINT_LOUIS.zip