Coal and Hydrocarbon Deposits Most of the coal deposits in the YRB are located in the nearly horizontal Tertiary beds in the structural basins of the Northern Rocky Mountains and Northern Great Plains coal regions.
(Coal and Hydrocarbon Deposits Most of the coal deposits in the YRB; are located; L:in the nearly horizontal Tertiary beds; L:in the structural basins of the Northern Rocky Mountains and Northern Great Plains coal regions)
Coal and Hydrocarbon Deposits Most of the coal deposits in the YRB
are located
L:in the nearly horizontal Tertiary beds L:in the structural basins of the Northern Rocky Mountains and Northern Great Plains coal regions