Engineering Geology is the core point in selection, design, construction and maintenance of the different Engineering Structures. so this book is mainly covered the application of Engineering Geology to the different Engineering Structures and it is mainly focus on the topics like the definition of engineering geology, engineering geological site investigation, Engineering Geological site selection for dams and reservoirs, transportation system, Geological consideration in road alignment, the importance of geology in construction of tunnel, geological consideration in construction of buildings, geological construction material and engineering geological mapping.