Incoming Resources
- USGS international activities in coal resources
- Inventario mundial de la calidad del carbón mineral (WoCQI), [por Robert B. Finkelman y Vivian S. Lovern ; traducido por María del C. Rivera]
- An overview of, U.S. federal, coal preparation research
- Alaska coal resources and coalbed methane potential, by Romeo M. Flores, Gary D. Stricker, and Scott A. Kinney
- Coal resources of the Trinidad coal field in Huerfano and Las Animas Counties, Colorado, by Ross B. Johnson
- Coal development, collected papers : papers presented at Coal Development Workshops in Grand Junction, Colorado and Casper, Wyoming, Scott Fisher, project coordinator ; Dave Books, technical editor
- Coal resources of Trinidad-Aguilar area, Las Animas and Huerfano Counties, Colorado, R.L. Harbour and G.H. Dixon
- Coal resources of Colorado, by E.R. Landis
- Clean coal technologies, research, development, and demonstration program
- The World Coal Quality Inventory (WoCQI)
- 2000 resource assessment of selected coal beds and zones in the Northern and Central Appalachian Basin coal regions, by Northern and Central Appalachian Basin Coal Regions Assessment Team
- Energy, supplies, sustainability, and costs, Sandra M. Alters