Haering, K.C., and W.L. Daniels. 1991. Fly ash as an amendment for mined land reclamation: A literature review. Va. Coal and Energy J. 3:36-46.
Stewart, B.R. 1995. The influence of fly ash additions on acid mine drainage production from coarse coal refuse. Ph.D. dissertation, Virginia Tech, Blacksburg, VA.
Stewart, B.R., and W. L. Daniels. 1995. Leachate quality and plant growth from bulk blended fly ash/coal refuse mixtures: Field Study Results. p. 3-1 – 3.10 In: Proc., 11th Int. Symp. Use & Mgt. Coal Comb. Prods., Orlando Fl. 15-19 Jan 1995. American Coal Ash Association, Aurora, CO, and Electric Power Research Institute, Palo Alto, CA.
Stewart, B.R., W.L. Daniels, and L.W. Zelazny. 1997. Examination of solid phase materials from column leaching studies of coal refuse/fly ash bulk blends. Pre-print 97-78, SME Annual meeting, Denver, CO. 24-27 Feb. 1997.Soc. Mining, Metallurgy and Exp. Littleton, CO.
Stewart, B.R., W.L. Daniels, and M.L. Jackson. 1997. Evaluation of leachate quality from the co-disposal of coal fly ash and coal refuse. J. Env. Quality 26; 1417-1424.
Daniels, W.L., M. Beck, R.S. Li, and B.R. Stewart. 1999. Loading rate guidance for coal fly ash as a soil amendment in Virginia. p. 10.1 – 10.13 In: Proc., 13th Int. Symp. Use & Mgt. Coal Comb. Prods, Orlando, FL.11-15 Jan 1999. American Coal Ash Association, Aurora, CO, and Electric Power Research Institute, Palo Alto, CA.
Stewart, B.R., W.L. Daniels, L.W. Zelazny, and M.L. Jackson. 2001. Evaluation of leachates from coal refuse blended with fly ash at different rates. J. Env. Qual. 30:1382-1391.
Daniels, W.L, B.R. Stewart, K.C. Haering, and C.E. Zipper. 2002. The potential for beneficial reuse of coal fly ash in southwest virginia mining environments. Va. Coop. Ext. Serv. Pub. 460-134; Reclamation Guidelines. Powell River Project, Virginia Tech Research Div., Blacksburg. 19 p.
Palumbo, A.V., J.F. McCarthy, J.E. Amonette, L.S. Fisher, S.D.. Wullschleger, and W.L. Daniels. 2004. Prospects for enhancing carbon sequestration and reclamation of degraded lands with fossil-fuel combustion by-products. Advances in Env. Research 8 (2004) 425-438.
Daniels W.L., M. Beck, and M. Eick. 2006. Development of rapid assessment protocols for beneficial use of post-2000 coal combustion products in Virginia coal mines. 57 p. Description: Final report to USDI OSM for 2005-2006 Applied Science Program. USDI OSM, Parkway Center, Pittsburgh.
Daniels, W.L., M. Beck, and M. Eick. 2006. Guidance for the beneficial use of fly ash on coal mines in Virginia. p. 75-82 In: Z. Agioutantis and K. Komnitsas, Eds., 2nd International Conf. Advances in Mineral Resources Management and Geotechnics, Hania, Crete. 25-27 Sept. 2006. Heliotopos Conferences, LTD, Greece.
Palumbo A., J. Amonette, J. Tarver, L. Fagan, M. McNeilly, and W. Daniels. 2007. Fly ash characteristics and carbon sequestration potential. p. 115-183. In: Proc. 2007 World of Coal Ash, Covington, KY. 7-10 May 2007. American Coal Ash Association, Aurora, CO. ,