Organizing Committee

John Craynon

Chief, Division of Technical Support, Office of Surface Mining, Washington, D.C.

George Gardner

Senior Engineer, Mine Waste and Geotechnical Division, Mine Safety and Health Administration, Pittsburgh

Dick Gray

Senior Vice President, GAI Consulting,

Roger Cecil

Project Manager, Geo/Environmental Associates, INC.

Kelvin Wu

Chief, Mine Waste and Geotechnical Division, Mine Safety and Health Administration, Pittsburgh

Xiangwu (David) Zeng, Chairman

Associate Professor, CaseWestern ReserveUniversity, Cleveland