Introduction to Geology -- Earth Materials, Geologic Time, and Geologic Processes -- Maps, Aerial Photographs, and Satellite Images -- Measurements, Basic Calculations and Conversions, and Graphs -- Introduction to Geologic Hazards -- Volcanoes and Volcanic Hazards -- Hazards of Mount St. Helens -- Earthquake Epicenters, Intensities, Risks, Faults, Nonstructural Hazards and Preparation -- The Loma Prieta Earthquake of 1989 -- Landslides and Avalanches -- Subsidence -- River Floods -- Coastal Hazards -- Water Resources and Contamination -- Groundwater Hydrology -- Water Quality Data and Pollution Sources -- Lake and River Contamination from Industrial Waste -- Groundwater and Surface Water Contamination from Resource Extraction -- Groundwater Overdraft and Saltwater Intrusion -- Sustainability: Resource Planning and Global Change -- Geology and Regional Planning -- Global Change and Sustainability.