Project History

Keystone Mine (Mt. Emmons) - Underground Rehabilitation and Utility Installation
Keystone Mine (Mt. Emmons) – Underground Rehabilitation and Utility InstallationClient: U.S. Energy Corp.Location: Crested Butte, CO, […]
Almeda Mine - Adit Opening Project
Almeda Mine – Adit Opening ProjectClient: US Bureau of Land ManagementLocation: Josephine County, OR, United States […]
Underground Mine Bulkhead - Dinero Tunnel
Underground Mine Bulkhead – Dinero TunnelClient: Colorado Division of Reclamation, Mining, and SafetyLocation: Leadville, CO, United […]
Schwartzwalder Mine - Underground Uranium Mine Bulkheads
Schwartzwalder Mine – Underground Uranium Mine BulkheadsClient: Cotter CorporationLocation: Colorado, United States In 2007 and continuing […]
Underground Salvage ProjectClient: PrivateLocation: United States In 2007, MES was retained to remove certain valuable materials […]
Homestake Mine – Tunnel Closure ProjectClient: Homestake Mining Company, a subsidiary of BarrickLocation: Lead, South Dakota, […]
Tunnel Rehabilitation and Reconnaissance - Dinero Tunnel
Tunnel Rehabilitation and Reconnaissance – Dinero TunnelClient: Colorado Division of Minerals and Geology as prime to […]
Bowie Mine – Coal Mine Entry Water Sealing & ShotcretingClient: Bowie ResourcesLocation: Delta County, Colorado, United […]
St. John's Tunnel - Water Tunnel Rehabilitation
St. John’s Tunnel – Water Tunnel RehabilitationClient: Colorado Springs UtilitiesLocation: Teller County, Colorado, United States In […]
Climax Mine - Water Tunnel Rehabilitation & Bulkhead Construction
Climax Mine – Water Tunnel Rehabilitation & Bulkhead ConstructionClient: Climax Molybdenum Company, a sbusidiary of Phelps-DodgeLocation: […]