Detonators are stored outside the 500~level tunnel, beyond the shops, in an isolated concrete building with double -locked steel doors aquot;backed aquot;by planks. All fuse is capped on the surface in a building not far from the detonator magazine.
Title | : | Safety practices at United Verde Mine, Phelps Dodge Corp., Jerome, Ariz |
Author | : | Allen D. Look, Alan A. Sharp |
Publisher | : | - 1949 |
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