SITE INVESTIGATIONS INCLUDING BORING AND OTHER METHODS OF SUB-SURFACE EXPLORATION. WORKS CONSTRUCTION PAPER NO 12. (INCLUDES PLATES).

Keywords: SITE INVESTIGATION, BORING, METHODS, SUBSURFACE, EXPLORATION, OIL, WELLS, WATER SUPPLY, MINERALS, WORKS, DESIGN, GEOLOGY, AUGER, DRILLS, DRILLING, GROUNDWATER, SULPHATES, CLAYS, WATER, TOOLS, ROADS, SURVEYS, TESTS, MATERIALS, SITES, DIAMONDS, WASH, PERCUSSION