Dundee Precious Metals Inc. (DPM) is a Canadian-based, international gold mining company engaged in the acquisition, exploration, development, mining, and processing of precious metals.
In 2003, after extensive due diligence, DPM acquired two gold mines in Bulgaria. To survey the multitude of mine stopes — which are open spaces, or cavities, in an underground mine — surveyors used a static cavity monitoring system (CMS), which is essentially a lidar scanner at the end of a very long pole. Surveyors would take the CMS very close to the edge of the brow, which is the lip next to the opening of a stope. Brows can be potentially unstable and unsafe for surveyors in close proximity.
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