"How
Coal Is Produced" - Kentucky Educational Television and
the American Coal Foundation
Site reviews surface and underground mining methods used to remove
coal from the ground. Also included in the site is information
about the regulations governing coal mining and the people who
mine coal.
"Coal
Resource Recoverability" - Rohrbacher, et al., U.S. Bureau
of Mines Circular 9368
Online circular reviews the factors associated with coal production,
including mining, cleaning, recoveries, etc. Includes tables and
figures to illustrate concepts and examples.
"Coal
Resource Classification System of the U.S. Geological Survey -
Geophysical Logs as a Source of Coal Bed Data" - Wood
et al., USGS Circular 891
Excerpt from online circular explains how geophysical techniques
can be used to identify coal beds and to quantify their resources.
Includes examples and explanations of geophysical logs.
"U.S.
Coal Supply and Demand:2000 Review" - F. Freme - EIA
- DOE