| Lanthanide, yttrium, and zirconium anomalies in the Fire Clay coal bed, Eastern Kentucky JC Hower, LF Ruppert, CF Eble International Journal of Coal Geology 39 (1-3), 141-153, 1999 | 373 | 1999 |
| Paleoclimate controls on late Paleozoic sedimentation and peat formation in the central Appalachian Basin (USA) CB Cecil, RW Stanton, SG Neuzil, FT Dulong, LF Ruppert, BS Pierce International Journal of Coal Geology 5 (1-2), 195-230, 1985 | 345 | 1985 |
| A USANS/SANS Study of the Accessibility of Pores in the Barnett Shale to Methane and Water LF Ruppert, R Sakurovs, TP Blach, L He, YB Melnichenko, DFR Mildner, ... Energy & Fuels 27 (2), 772-779, 2013 | 257 | 2013 |
| Distribution of arsenic, selenium, and other trace elements in high pyrite Appalachian coals: Evidence for multiple episodes of pyrite formation SF Diehl, MB Goldhaber, AE Koenig, HA Lowers, LF Ruppert International Journal of Coal Geology 94, 238-249, 2012 | 165 | 2012 |
| A probabilistic assessment methodology for the evaluation of geologic carbon dioxide storage ST Brennan, RC Burruss, MD Merrill, PA Freeman, LF Ruppert US Geological Survey Open-File Report 1127 (2010), 31, 2010 | 144 | 2010 |
| Leaching of elements from bottom ash, economizer fly ash, and fly ash from two coal-fired power plants KB Jones, LF Ruppert, SM Swanson International Journal of Coal Geology 94, 337-348, 2012 | 87 | 2012 |
| Development of a probabilistic assessment methodology for evaluation of carbon dioxide storage RC Burruss, ST Brennan, PA Freeman, MD Merrill, LF Ruppert, ... US Geological Survey Open-File Report 1035 (2009), 81, 2009 | 85 | 2009 |
| Arsenic-bearing pyrite and marcasite in the Fire Clay coal bed, Middle Pennsylvanian Breathitt Formation, eastern Kentucky LF Ruppert, JC Hower, CF Eble International Journal of Coal Geology 63 (1-2), 27-35, 2005 | 81 | 2005 |
| Geologic controls on thermal maturity patterns in Pennsylvanian coal-bearing rocks in the Appalachian basin LF Ruppert, JC Hower, RT Ryder, JR Levine, MH Trippi, WC Grady International Journal of Coal Geology 81 (3), 169-181, 2010 | 79 | 2010 |
| Controls on boron and germanium distribution in the low-sulfur Amos coal bed, Western Kentucky coalfield, USA JC Hower, LF Ruppert, DA Williams International Journal of Coal Geology 53 (1), 27-42, 2002 | 74 | 2002 |
| Partitioning of selected trace elements in coal combustion products from two coal-burning power plants in the United States SM Swanson, MA Engle, LF Ruppert, RH Affolter, KB Jones International Journal of Coal Geology 113, 116-126, 2013 | 72 | 2013 |
| Porosity of the Marcellus Shale: A contrast matching small-angle neutron scattering study J Bahadur, LF Ruppert, V Pipich, R Sakurovs, YB Melnichenko International journal of coal geology 188, 156-164, 2018 | 70 | 2018 |
| Origin and significance of high nickel and chromium concentrations in Pliocene lignite of the Kosovo Basin, Serbia L Ruppert, R Finkelman, E Boti, M Milosavljevic, S Tewalt, N Simon, ... International journal of coal geology 29 (4), 235-258, 1996 | 70 | 1996 |
| Hydrogeochemistry and coal-associated bacterial populations from a methanogenic coal bed EP Barnhart, EP Weeks, EJP Jones, DJ Ritter, JC McIntosh, AC Clark, ... International Journal of Coal Geology 162, 14-26, 2016 | 67 | 2016 |
| MICROCHARACTERIZATION OF ARSENIC-AND SELENIUM-BEARING PYRITE IN UPPER FREEPORT COAL, INDIANA COUNTY, PENNSYLVANIA. JA Minkin, RB Finkelman, CL Thompson, ECT Chao, LF Ruppert, H Blank, ... Scanning Electron Microscopy, 1515-1529, 1984 | 67 | 1984 |
| Arsenic and lead concentrations in the Pond Creek and Fire Clay coal beds, eastern Kentucky coal field JC Hower, JD Robertson, AS Wong, CF Eble, LF Ruppert Applied Geochemistry 12 (3), 281-289, 1997 | 60 | 1997 |
| The US Geological Survey's national coal resource assessment: the results LF Ruppert, MA Kirschbaum, PD Warwick, RM Flores, RH Affolter, ... International Journal of Coal Geology 50 (1-4), 247-274, 2002 | 54 | 2002 |
| Differentiation of volcanic ash-fall and water-borne detrital layers in the Eocene Senakin coal bed, Tanjung Formation, Indonesia LF Ruppert, TA Moore Organic Geochemistry 20 (2), 233-247, 1993 | 51 | 1993 |
| An unusual occurrence of arsenic-bearing pyrite in the Upper Freeport coal bed, west-central Pennsylvania LF Ruppert, JA Minkin, JJ McGee, CB Cecil Energy & fuels 6 (2), 120-125, 1992 | 47 | 1992 |
| Volcanic ash dispersed in the Wyodak-Anderson coal bed, Powder River basin, Wyoming DM Triplehorn, RW Stanton, LF Ruppert, SS Crowley Organic Geochemistry 17 (4), 567-575, 1991 | 47 | 1991 |
James C. HowerUniversity of Kentucky Center for Applied Energy ResearchVerified email at uky.edu
