sponsored by the Geotechnical Engineering Division of the American Society of Civil Engineers ; co-sponsored by the Civil Engineering Department and the Continuing Education Department of Virginia Tech : Virginia Tech, Blacksburg, Virginia, June 23-25, 1986 ; edited by Samuel P. Clemence
sponsored by the Geotechnical Engineering Division in conjunction with the ASCE Convention in Detroit, Michigan, October 24, 1985 ; edited by Vijay Khosla