GEOLOGY BEHIND THE FRONT 405
GEOLOGY AT THE FRONT 408
EFFECT OF THE WAR ON THE SCIENCE OF ECONOMIC GEOLOGY 412
CHAPTER XX. GEOLOGY AND ENGINEERING CONSTRUCTION 413
FOUNDATIONS 413
SURFACE WATERS 414
TUNNELS 414
SLIDES 415
SUBSIDENCE 417
RAILWAY BUILDING 417
ROAD BUILDING 418
GEOLOGY IN ENGINEERING COURSES 419
The Economic Aspect of Geology · The Wunder Library — complete classics, free to read, with narration.