L. Bragg

Distribution and mode of occurrence of selenium in US coals

R. Finkelman, Lynn Coleman, L. Bragg, 1993, Environmental geochemistry and health.

U.S. Geological Survey coal quality (COALQUAL) database; version 2.0

Robert B. Finkelman, Susan J. Tewalt, Linda J. Bragg, 1997 .

A geostatistical approach to predicting sulfur content in the Pittsburgh coal bed

W. Watson, L. Ruppert, S. J. Tewalt, 2001 .

The Upper Pennsylvanian Pittsburgh Coal Bed: Resources and Mine Models

Susan J. Tewalt, William D. Watson, Leslie F. Ruppert, 2001 .

Mercury in U.S. coal; abundance, distribution, and modes of occurrence

Robert B. Finkelman, Susan J. Tewalt, Linda J. Bragg, 2001 .

Distribution and mode of occurrence of arsenic in coal

S. Coleman, L. Bragg, 1990 .

A digital resource model of the Upper Pennsylvanian Pittsburgh coal bed, Monongahela Group, northern Appalachian basin coal region, USA

R. N. Wallack, L. Ruppert, S. J. Tewalt, 1999 .