|
January 2003
U.S. Geological Survey resource assessment of selected Tertiary coal zones in Wyoming, Montana and North Dakota
|
|
December 2002
New clean-coal technology fires country's cleanest power plant
|
|
November 2002
U.S. coal producers have reason to take heart
|
|
October 2002
Inaccuracy of area sampling for measuring the dust exposure of mining-machine operators in coal mines
|
|
September 2002
Refurbished shovel moving to Australian coal mine
|
|
September 2002
Teamwork, technology key in rescuing coal miners
|
|
August 2002
Coal-based energy policy needed for the 21st century
|
|
December 2001
Making medium- and high-sulfur coals competitive
|
|
November 2001
Black Thunder coal mine maximize production
|
|
November 2001
Dry coal cleaning with a MagMill
|
|
November 2001
Concept to meet quality specificatoins of coal on a per-car basis rather than on a trainload basis
|
|
October 2001
Determination of transition depth between slope and box-cut access for near-surface coal reserves
|