This book gives a comprehensive and authoritative survey of modern geophysical methods used in prospecting for natural resources, and in civil engineering, geohydrological, and environmental investigation. It is written with an emphasis on physical explanation and practical applications. Principles of Applied Geophysics is essential reading for all earth science undergraduates and postgraduates studying applied geophysics, as well as practising geophysicists and civil and environmental engineers who require an up to date overview of the subject.