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Clean air protection problems at national parks and wilderness areas : hearing before the Environment, Energy, and Natural Resources Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred Third Congress, second session, April 29, 1994

Peržiūrėti teikėjo svetainę (atsidaro naujame lange)

Autorius

  • United States. Congress. House. Committee on Government Operations.
  • United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee.

Leidėjas

  • U.S. G.P.O
  • Washington

Tema

  • Air
  • Air quality management
  • Environmental monitoring
  • National parks and reserves
  • Physiological effect
  • Pollution
  • Prevention
  • Wilderness areas
  • Tarša

Skaitmeninis objektas tipas