Technical papers available for download. (.PDF)

HORIZON-SENSOR-COAL-EXTRACTION.PDF

IMPROVED-EXTRACTED-COAL.PDF

IN-MINE-RIM.PDF

REDUCE-ASH-SULFUR.PDF

RIM-STOLARCZYK-FRY.PDF

SEAMMAP.PDF

SEAM-WAVE-MAPPING.PDF

WORLD COAL ARTICLE MAY 2002

THOMSON-GEOPHYSICS.PDF

WATER-INFUSION-RIM.PDF