Project History

Keystone Mine, Mt. Emmons – Mine Tunnel Repairs & MaintenanceClient: Mt. Emmons Mining, a subsidiary of […]
Homestake Mine, Milliken Shaft – Emergency ShaftClient: Homestake Mining Company, a subsidiary of BarrickLocation: Lead, South […]
Yak Tunnel - Water Tunnel Repairs
Yak Tunnel – Water Tunnel RepairsClient: Asarco, Inc.Location: Leadville, CO, United States In 2002 MES was […]
Mary Murphy Mine Site – Underground Mine RehabilitationClient: Colorado Division of Minerals & GeologyLocation: St. Elmo, […]
Glenwood Caverns - New Decline Tunnel Installation
Glenwood Caverns – New Decline Tunnel InstallationClient: JMB Properties (Glenwood Caverns)Location: Garfield County, Colorado, United States […]
Last Dollar Shaft – Vertical Shaft BulkheadClient: Aspen Skiing CorporationLocation: Alma, Colorado, United States MES designed […]
London Mine, American Shaft – Vertical Shaft BulkheadClient: State of Colorado Division of Minerals & GeologyLocation: […]
Grace Mine – Mine Site Cleanup & Underground Tunnel RehabilitationClient: Arrowhead ResourcesLocation: Empire, CO, United States […]
Black Cloud Mine, Helena Shaft – Mine Shaft Pump ReplacementClient: Asarco, Inc.Location: Lake County, Colorado, United […]
Gold King Mine – Main Headframe Stabilization StudyClient: Southern Teller County Focus Group for, Colorado Historical […]