James A. Luppens

Moving Away from Distance Classifications as Measures of Resource Uncertainty

Ricardo A. Olea, James A. Luppens, Susan J. Tewalt, 2014 .

An external peer review of the U.S. Geological Survey energy resource program's economically recoverable coal resource assessment methodology - report and comments

James A. Luppens, Philip A. Freeman, Timothy J. Rohrbacher, 2005 .

COMPUTER ENHANCED OVERBURDEN EVALUATION FOR TOPSOIL SUBSTITUTION AT THE OXBOW MINE, LOUISIANA

James A. Luppens, James A. DeMent, John P. Storrs, 1997 .

Sequential Simulation Approach to Modeling of Multi-seam Coal Deposits with an Application to the Assessment of a Louisiana Lignite

James A. Luppens, Ricardo A. Olea, R. Olea, 2012, Natural Resources Research.

The U.S. Geological Survey coal quality (COALQUAL) database version 3.0

James A. Luppens, Curtis A. Palmer, Charles L. Oman, 2015 .

Assessment of coal geology, resources, and reserve base in the Powder River Basin, Wyoming and Montana

David C. Scott, James A. Luppens, J. Luppens, 2013 .