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Federal
Operation Basement: Missouri Precambrian Sample Database
Department of the Interior —
In 1968, the Missouri Geological Survey (MGS) established the Operation Basement program to address three objectives: a) to obtain drill hole and underground mining... -
Federal
Airborne geophysical survey: Missouri '79, Missouri
Department of the Interior —
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude,...