Copper $ 5.9135 / lb -0.76%

Brent Crude Oil $ 69.07 / bbl -0.12%

Palladium $ 1729.8 / ozt -1.77%

Crude Oil $ 63.96 / bbl -0.74%

Natural Gas $ 3.115 / Btu -0.83%

Silver Futures $ 80.384 / ozt -3.40%

Aluminum Futures $ 3008.5 / ton -1.34%

Micro Gold Futures $ 5031 / ozt -1.07%

Micro Silver Futures $ 80.384 / ozt -3.46%

Platinum $ 2100.5 / ozt -1.48%

Gold Futures $ 5031 / ozt -1.05%

Go to MDC Markets

Making the case for belt air

infomine - mining equipment and supplier news | October 16, 2009 | 5:27 pm

NATIONAL Institute for Occupational Safety and Health researcher Robert B Krog and West Virginia University mining engineering chair Christopher Bise examine the benefits and disadvantages of belt air ventilation in gateroad development……more at International Longwall News