SHOWING "CHAMBERED" OR "SPRUNG" BORE 



HOLE FOR BLASTING LARGE STUMPS WITH 



ONLY ONE CHARGE 



FIG. 123 



I 



ELECTRICAL BLASTING-TOP VIEW SHOWING 



CORRECT LOCATION OF HOLES BORED INTO 



LATERAL ROOTS AND METHOD OF CONNECTING 



FUZE WIRES 



FIG. 124 

 132 



