The best-selling lab manual for undergraduate lab courses in Physical Geology or Introductory Geology, for majors and non-majors. With contributions from more than 120 highly regarded geologists and geoscience educators, and an exceptional illustration program by Dennis Tasa, this user-friendly laboratory manual focuses students on the basic principles of geology and their applications to everyday life in terms of natural resources, natural hazards, and human risks. This edition pushes the frontiers of geologic education even further with the inclusion of four new computer-based labs.