• 2 Law Library
• 2 WHS State Archives Preservation Facility
• 1 College Library
• 1 Steenbock Library
• 1 Wisconsin Historical Society Archives
• 1 Wisconsin Historical Society Library
• 1 Wisconsin's Water Library

• 1 Microforms
• 1 Mixed Materials
• 1 Photos, Drawings, Prints
• 1 Sound Recordings

• 12 DVDs
• 1 Cassette Tapes

• 10 Environmental aspects
• 6 Health aspects
• 5 Groundwater
• 4 Chemicals
• 4 Environmentally induced diseases
• 4 Water
• 3 Air
• 3 Corrupt practices
• 3 Gas industry
• 3 Hydraulic fracturing
• 3 Natural gas
• 3 Physiological effect
• 3 Prospecting
• 3 Quality
• 2 Accidents
• 2 Agricultural pollution
• 2 Anderson, Anne, 1936?-
• 2 Chemical industry
• 2 Cities and towns
• 2 Conservation of Natural Resources
• 2 Contamination
• 2 Drinking water
• 2 Ecology

• 2 Adlesic, Trish
• 2 Docurama (Firm)
• 2 Fox, Josh, 1972-
• 2 HBO Documentary Films
• 2 Harr, Jonathan
• 2 Hedrick Smith Productions
• 2 International WOW Company
• 2 Marshall, E. G., 1914-1998
• 2 Public Broadcasting Service (U.S.)
• 2 Sanchez, Matthew
• 2 WGBH Educational Foundation
• 1 Anne & Phelim Media (Firm)
• 1 Applewood, Robin
• 1 Berger, Marilyn J.
• 1 Brown, Ed
• 1 Bullfrog Films
• 1 Burroughs, Julie
• 1 Cann, Susan Applewood
• 1 Cinedigm (Firm)
• 1 Clapp, Richard, 1945-
• 1 Clark, Dorie
• 1 Cook, Kenneth A.
• 1 CreateSpace (Firm)
• 1 Davis, Devra Lee
• 1 Delaney, Rory Owen

• 16 English
• 2 French

• 10 United States
• 3 Massachusetts
• 2 Atlantic Ocean
• 2 Boston
• 2 Chesapeake Bay
• 2 Chesapeake Bay (Md. and Va.)
• 2 Marcellus Shale
• 2 Pacific Ocean
• 2 Puget Sound
• 2 Puget Sound (Wash.)
• 2 Wisconsin
• 2 Woburn
• 1 Alaska
• 1 Apostle Islands National Lakeshore
• 1 Apostle Islands National Lakeshore (Wis.)
• 1 Baraboo
• 1 Law and legislation
• 1 Leominster
• 1 Maryland
• 1 Nashua River (Mass. and N.H.)
• 1 New York
• 1 New York (State)
• 1 Pipeline de l'Alaska (Alaska)
• 1 Trans-Alaska Pipeline
• 1 Trans-Alaska Pipeline (Alaska)

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