top of page



Blasting was  the conventional  method used to create underground mine workings in Bisbee. The important parts of blasting in hardrock underground mines are the “round”, order which the holes are detonated, hole depth and hole direction. These are followed by what kind of explosives,how much and hole diameter......

Micro Blasting

3.43 minute video of micro blasting inside the Queen Mine tour secondary exit.


Spitters are the common method used in Bisbee to light safety fuse for detonating rounds. They look like a firework sparkler except when burning no sparks are given off, The burning is with intense heat ,red hot glow and  are very smoky.....


bottom of page