National Outdoor Action Conference and Exposition on Aquifer Remediation, Ground Water Monitoring, and Geophysical Methods (8th : 1994 : Minneapolis, Minn.)
National Outdoor Action Conference and Exposition on Aquifer Remediation, Ground Water Monitoring, and Geophysical Methods (9th : 1995 : Las Vegas, Nev.)
Joint Meeting of the XXVIII Congress of the International Association of Hydrogeologists and the Annual Meeting of the American Institute of Hydrology (1998 : Las Vegas, Nev.)
Joint U.S. Geological Survey, U.S. Nuclear Regulatory Commission Workshop on Research Related to Low-level Radioactive Waste Disposal (1993 : Reston, Va.)
sponsored by ASTM Committee D18 on Soil and Rock, in cooperation with the United States Committee on Large Dams of the International Commission on Large Dams, Denver, CO, 25 June 1984 ; A. Ivan Johnson ... [and others] editors
the symposium was jointly organized by the International Association of Hydrological Sciences (IAHS)and the International Association of Meteorology and Atmospheric Physics (IAMAP) and co-sponsored by the United Nations Educational, Scientific and Cultural Organization (UNESCO) ; edited by H.-J. Bolle, R.A. Feddes, J.D. Kalma