N. P Dion

• Effects of Mount St. Helens eruption on selected lakes in Washington
• Extent and source of organic solvents in ground water in the Argonne Road area near Spokane, Washington
• Geohydrologic reconnaissance of a ground-water contamination problem in the Argonne Road area near Spokane, Washington
• Geologic, hydrologic, and cultural factors in the selection of sites for the land disposal of wastes in Washington
• Hydrology and quality of ground water in northern Thurston County, Washington
• Hydrology of the Goat Lake watershed, Snohomish County, Washington, 1982-87
• Physical, chemical, and biological characteristics of Ross Lake, Snohomish County, Washington
• Preliminary evaluation of the ground-water resources of Bainbridge Island, Kitsap County, Washington
• Sea-water intrusion into coastal aquifers in Washington, 1978