• 1 DVDs

• 5 Pollution
• 5 Water
• 3 Dams
• 3 Mineral industries
• 3 Mountain ecology
• 2 Conservation of natural resources
• 2 Drilling and boring
• 2 Effect of mining on
• 2 Gas well drilling
• 2 Giant sequoia
• 2 Health aspects
• 2 Hydraulic fracturing
• 2 Litton, Martin, 1917-2014
• 2 Mineral lands
• 2 Mineral rights
• 2 Mines and mineral resources
• 2 Mining leases
• 2 Molybdenum mines and mining
• 2 Nature conservation
• 2 Right of property
• 2 Water quality
• 2 Water-supply
• 1 Acid rain
• 1 Animas-La Plata Project

• 6 Bullfrog Films
• 3 Coyote, Peter
• 3 Lewis, Robert
• 3 McLeod, Christopher
• 2 Anderson, Debra
• 2 Day, Joe
• 2 Earth Image Films
• 2 Fraser, Mark
• 2 Garrett, Avery
• 2 MacGraw, Ali
• 2 Powers, Michael
• 2 Red Rock Pictures (Firm)
• 2 Ritter, Bill, 1956-
• 2 Salazar, Ken
• 2 WGBH Educational Foundation
• 2 Wendt, Jean
• 2 Zubov, Boris
• 1 Anderson, Tim
• 1 Bowden, Dave
• 1 Colborn, Theo
• 1 Crawford, Doug
• 1 Dengel, Julia
• 1 Environmental Research Group
• 1 Environmental Research Group, Inc
• 1 Godfrey, Robert (Robert J.), 1941-

• 9 English

• 4 United States
• 3 Rocky Mountains
• 2 Arizona
• 2 Garfield County
• 2 Grand Canyon National Park
• 2 San Juan Basin (N.M. and Colo.)
• 2 West (U.S.)
• 1 Animas River (Colo. and N.M.)
• 1 Nighthorse, Lake (Colo.)
• 1 Ridges Basin Dam (Colo.)
• 1 Southern Ute Indian Tribe of the Southern Ute Reservation, Colorado

• 7 Documentary films
• 6 Nonfiction films
• 2 Biography
• 2 Documentary television programs
• 2 Environmental films
• 2 Environmental television programs
• 2 Feature films
• 2 Nonfiction television programs

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