Coal age. 2007, Vol. 112, Nº. 3

Año 2007, Vol. 112, Número 3
- FEATURE ARTICLES
  - Virtual reality for dragline planners: 3d-Dig acts as an invaluable mine planning and communication tool
    Tom Cobcroft
    págs. 22-26
  - Underground communications & tracking technology advances: As the deadline set by the MINER Act grows near, several technologies have emerged as possible options
    Steve Fiscor (ed. lit.)
    págs. 28-31
  - Bauma returns with a large mining component: The world's largest construction trade fair has something for everyone, even coal mine operators
    Kyran Casteel (ed. lit.), Steve Fiscor (ed. lit.)
    págs. 32-38
  - Moving to the powder river basin in search of the american dream
    Lee Buchsbaum
    págs. 40-42