Du Pont farmer's handbook; instructions in the use of dynamite for clearing land, planting and cultivating trees, drainage, ditching and subsoiling . EXTENSION ROD mm^ fHam INTERMEDIATE EXTENSION ROD PUGH EARTH AUGER SUBSOIL BAR 28 CLAY TAMPING. SPREADING ROOT CHARGE

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Keywords: ., bookcentury1900, bookdecade1910, bookiddup, booksubjectexplosives