Oxbow Mining—Somerset, Colorado, USA
Elk Creek Geotechnical Program Agapito Associates, Inc. (AAI) has been involved in long-term geotechnical investigation and design at the Oxbow Mining, LLC, Elk Creek Mine, dating back to the [...]
The Influence of Massive Sandstones in the Main Roof of Longwall Support Loading
15th International Conference on Ground Control in Mining, Golden, Colorado, 13–15 August 1996 Authors: A. M. Richardson and L. J. Gilbride (AAI), and J. Trackemas and J. Mercier (Cyprus Plateau [...]
Deer Creek Mine—Huntington, Utah
Energy West Mining Company In preparation for longwall mining beneath a 345-kV electrical transmission line, AAI was retained to evaluate the impacts of surface subsidence to a series of power [...]
FMC Wyoming Corporation—Green River, WY
Longwall Gateroad Analysis AAI performed a comparative stability evaluation for the East Longwall Panel 8 Gateroads. Four different gateroads were analyzed, including three- and four-entry [...]
West Ridge Resources, Inc. Subsidence Evaluation—Price, UT
West Ridge Resources, Inc. (WRRI) commissioned Agapito Associates, Inc. (AAI) to analyze subsidence potential from planned longwall mining in the vicinity of the Grassy Trail reservoir adjacent [...]
Assessment of Gate Road Loading Under Deep Western U.S. Conditions
3rd International Workshop on Coal Pillar Mechanics and Design, Morgantown, West Virginia, July 26, 2010 Authors: Tom Vandergrift and David Conover (AAI) Currently accepted longwall abutment [...]
Mountain Coal Company
West Elk Mine—Somerset, CO AAI has provided underground geotechnical engineering services to Mountain Coal Company’s West Elk Mine since the 1980s. Services include installation of geotechnical [...]
West Ridge Resources—Price, UT
Longwall Optimization In 1997, AAI conducted three studies for West Ridge prior to mine development. The first study addressed longwall panel orientation based on local fracture mapping, [...]
SUFCO Mine—Huntington, UT
Canyon Fuel Company Longwall Mining—Shield Support Densities AAI has performed a full range of geotechnical analyses for SUFCO in support of their longwall operations, including pillar design, [...]
Mencon, LLC—Craig, Colorado
Geotechnical Evaluation and Longwall Feasibility AAI performed geotechnical and economic evaluations for the feasibility study of longwall mining at the Trapper Mine for Mencon, LLC. A [...]
Ventilation Planning at the Aberdeen Mine
Proceedings of the 6th International Mine Ventilation Congress, Pittsburgh, Pennsylvania, 17–22 May 1997 Authors: A. M. Richardson and L. Gilbride (AAI), L. Adair (GENWAL, Inc.), and M. W. [...]
