U.S. Geological Survey resource assessment of selected Tertiary coal zones in Wyoming, Montana and North Dakota
Mining Engineering
, 2003, Vol. 55, No. 1, pp. 16-21
Nichols, D.J.; Ellis, M.S.
ABSTRACT:
The U.S. Geological Survey (USGS) assessed selected coal resources in the contiguous United States to determine the quantity, quality and minability of the coal that is likely to be produced within the next 20 to 30 years. The National Coal Resource Assessment (NCRA) project includes studies of coal in the following five regions: the Northern Rocky Mountains and Great Plains (Fig. 1), the Colorado Plateau, the Illinois Basin, the Gulf Coast and the Appalachian Basin.
Please login to access this article.
OR
If you are
not
an SME member, you can join SME by clicking the button below.
