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Hand auger - general

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[[Image:Auger drilling in temporary casing1.jpg|thumb|right|250px| Auger drilling in temporary casing]]
 
The hand auger is suitable for unconsolidated formations: sand, silt and soft clay. Stiff clays, hard materials and gravels are difficult or impossible to drill through and to remove (unless augering is combined with [[percussion - general|percussion]]).
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