Show cut trees by exploding dynamite instead of an ax and saw to remove the tops of trees that are to be used as masts in logging operations dyna mite Is u ed to shoot off the tops after the branches have been removed a rigger climbs the tree with a set of irons to the point where it Is feces sary to cut off the top here the trunk Is usually about 12 inches in diameter dia e rahe rigger ties a string of dyna in te cartridges fastened end to end like ake sausages around the trunk at this point inserts a blasting cap with about 20 feet of fuse in one of these sticks lights the end of the fuse and descends before the explosion takes place the tree top pumps into the air with tie tl e explosion and the trunk is left ready for attall ing the rigging for dogging in and loading the logs engineering record |