Leica Dozer 2000 at the San Miguel lignite mine: the uses of GPS grade control in surface mining
Mining Engineering
, 2003, Vol. 55, No. 1, pp. 28-31
Heger, M.
ABSTRACT:
In May 1998, North American Coal (NAC) began to evaluate the economics and feasibility of installing global positioning satellite (GPS) grade-control systems on a few of the bulldozers operating at San Miguel. During this evaluation, it was realized that these systems offered benefits if a few key issues could be resolved. It was also realized that the inability to resolve these issues would doom the project.
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