Coal resource classification system of the U.S. Geological Survey (Q100080)
From geokb
Coal resource classification system of the U.S. Geological Survey; 1983; CIR; 891; Wood, Gordon H., Jr.; Kehn, Thomas M.; Carter, M. Devereux; Culbertson, William C.
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Coal resource classification system of the U.S. Geological Survey |
Coal resource classification system of the U.S. Geological Survey; 1983; CIR; 891; Wood, Gordon H., Jr.; Kehn, Thomas M.; Carter, M. Devereux; Culbertson, William C. |
