TACTICAL ARBORICULTURE 



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or perhaps more than one, power is applied to the drum, and the log is dragged 

 through the water and mud, and loaded upon the cars of the tramway. At times 

 a cone is placed on the log to guide it past obstructions. Where the swamp adjoins 

 a river, as the Alabama, the drum and power are located on a boat, called a 

 pull-boat, the logs being rafted and towed to mills. 



CYPUKSS i.\ AI.AI:. \.\IA 



