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Power Placement

A long-time solution for high-power installation gets a modern makeover

By Donna Schmidt, Field Editor

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Australian Coal Operator Detonates World’s Biggest Blast

The Daunia open-cut coal mine in the northeastern state of Queensland, Australia, has broken the world record for the largest electronic detonator blast ever — firing 5,665 detonators in 2,683 blastholes using the AXXIS digital detonation system from BME. Last year, the mine had set a previous record for the largest AXXIS-controlled blast, when it successfully initiated 4,303 detonators in a single blast to break 2.8 million cubic meters (m3) of overburden.

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Waiting for Ignition

Natural gas offers a tankful of potential benefits for mine fleet operators, but plummeting oil prices will likely keep diesel fuel top choice at the pump for the near future

By Russ Carter, Western Field Editor

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Developing a Roof Control Game Plan

By Steve Fiscor, Editor-in-Chief

Between retirements and decisions related to scaling operations back and even mine closures, the U.S. coal industry is losing some very knowledgeable people. Those that remain are short-handed and usually facing substantial cost pressures. It’s at this point, where a decision to cut costs in one area, could unwittingly lead to excessive costs down the road. This holds true for many aspects of mining, especially roof control programs.

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Achieving World-class Mining Maintenance: Step 3 — Establish an Efficient Program

In the third segment of this six-part series, the author presents the basic steps in crafting an effective program that will enable operators to develop and sustain top-notch mine maintenance performance

By Paul Tomlingson

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Jack of All Trades

Industry’s trend of doing more with less has allowed Joy Global’s line of resourceful front-end loaders to take on even more responsibility

By Donna Schmidt, Field Editor

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