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The National Ground Water Research Act of 1989 : joint hearing before the Subcommittee on Natural Resources, Agriculture Research, and Environment of the Committee on Science, Spac...

Washington : U.S. Government Printing Office, 1990

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Government Document 圖書

$Lessons learned : EPA's investigations of hydraulic fracturing : joint hearing before the Subcommittee on Energy & Subcommittee on Environment, Committee on Science, Space, and Technology, House of Representatives, One Hundred Thirteenth Congress, first session, July 24, 2013.$

Lessons learned : EPA's investigations of hydraulic fracturing : joint hearing before the Subcommittee on Energy & Subcommittee on Environment, Committee on Science, Space, and Tec...

[Washington, D.C.] : U.S. Government Printing Office, 2014

Government Document 圖書

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