• 2 Videos, Slides, Films

• 1 DVDs

• 2 Water
• 1 Drinking water
• 1 Economic aspects
• 1 Effect of mining on
• 1 Environmental aspects
• 1 Mineral industries
• 1 Mines and mineral resources
• 1 Molybdenum mines and mining
• 1 Mountain ecology
• 1 Prevention
• 1 Water security
• 1 Water utilities

• 1 Berardo, Ramiro
• 1 Breyfogle, Nicholas B., 1968-
• 1 Bullfrog Films
• 1 Coyote, Peter
• 1 Earth Image Films
• 1 Environmental Research Group
• 1 Lewis, Robert
• 1 McLeod, Christopher
• 1 WGBH Educational Foundation

• 2 English

• 1 Colorado
• 1 Ohio
• 1 Rocky Mountains
• 1 United States

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