The Second Edition of Principles of Hydrogeology represents a substantial revision of the First Edition. It introduces the fundamental concepts of hydrogeology in a concise, yet informative style. The author covers the current trends in the ground water industry. The topics include: aquifers, monitoring wells, groundwater flow, well hydraulics, groundwater quality, and groundwater pollution. Students will quickly see the relevance of the subject with the illustrations and examples provided. Presented in an easy-to-read and understand format, Principles of Hydrogeology, Second Edition is the perfect primary text for ground water related courses. With its emphasis on the basics it provides an excellent introduction to ground water science. The author, a professional in the field and an experienced educator, bring his practical knowledge to this subject.