03:38 PM EST - Revett Minerals Inc. : provided an update on underground activities at its Troy Mine in northwest Montana. Following the suspension of underground operations in mid December 2012, Revett has continued to conduct monitoring and development work at the Troy Mine in preparation for the resumption of mining and production activities. As recently announced, underground inspections identified groundfall that has impeded the travel-way along the upper haulage route, but has not impacted or damaged the main mechanical and equipment areas, such as the underground crusher or conveyor systems. Revett Minerals Inc.
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