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Geochemical re-analysis of rock and sediment samples from the Lower Middle...
This is a geochemical data set from the re-analysis of 44 rock samples collected between 1966 and 1970, and 107 sediment samples collected in 1966 and 1967. These samples were... -
Operation Basement: Missouri Precambrian Sample Database
In 1968, the Missouri Geological Survey (MGS) established the Operation Basement program to address three objectives: a) to obtain drill hole and underground mining data...