Du Pont farmer's handbook; instructions in the use of dynamite for clearing land, planting and cultivating trees, drainage, ditching and subsoiling . ROTTEN STUMP CHARGE. BIGTREE TUNNEL CHARGE 31 BLASTING OUT STUMPS to the place where all of the holes come together, then the next car-tridge loaded in each hole must touch the primer. It is not easy tobore the holes and charge properly under this system, and it shouldonly be used after some experience and when the condition of theground and stump is such that the work cannot be satisfactorily donein any other way. The best general instructions t
Du Pont farmer's handbook; instructions in the use of dynamite for clearing land, planting and cultivating trees, drainage, ditching and subsoiling . ROTTEN STUMP CHARGE. BIGTREE TUNNEL CHARGE 31 BLASTING OUT STUMPS to the place where all of the holes come together, then the next car-tridge loaded in each hole must touch the primer. It is not easy tobore the holes and charge properly under this system, and it shouldonly be used after some experience and when the condition of theground and stump is such that the work cannot be satisfactorily donein any other way. The best general instructions that can be given are: observecarefully the way the stump stands, the location and size of the roots,the nature of the soil and the size of the stump. The probing speardescribed on page 28 is often of great service in determining justwhat kind of roots a stump has. The kind of wood is important, principally in its bearing on theprobable size and position of the roots. Some kinds of trees, such asSouthern Yellow Pine, Swamp Cypress and the Pines, Firs, Cedars,Redwoods and Bigtrees of the Pacific Slope grow principally in thesame kind of soil and generally speaking h
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Keywords: ., bookcentury1900, bookdecade1910, bookiddup, booksubjectexplosives
