Coal exploration drill-hole data from over 24,000 wells in 10 States are discussed by State n the chapters of this report, and the data are provided n an accompanying spread-sheet. The drill hold were drilled between 1962 and 1984 by Phillips Coal Company, a division of Phillips Petroleum Company.
Coal exploration drill-hole data from over 24,000 wells in 10 States are discussed by State n the chapters of this report, and the data are provided n...
