Landfill closures.. environmental protection and land recovery : proceedings of sessions sponsored by the Environmental Geotechnics Committee of the Geotechnical Engineering Division and the Solid Waste Engineering Committee of the Environmental Engineering Division of the American Society of Civil Engineers in conjunction with the ASCE convention in San Diego, California, October 23-27, 1995 - Dunn, R. Jeffrey; Singh, Udai P. (Geotechnical special publication, 1995)