| |
Sources: United States Geological Survey, Coalfields of the
United States, 1960-1961; Texas Bureau of Economic Geology, Lignite
Resources in Texas, 1980; Louisiana Geological Survey, Near Surface
Lignite in Louisiana, 1981; Colorado Geological Survey, Coal
Resources and Development Map, 1981; and Mississippi Bureau of
Geology, 1983.
Original Internet Location:
Energy Information Administration
|
Edited on:
March 27, 2009