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The 15 million acres of federal lands of the Greater Yellowstone Ecosystem (GYE) include our nation's first national park and first national forest. These public lands are managed by four federal agencies with differing missions and organizational structures.

In 1964, the managers of the national parks and forests in the GYE reportedly first signed a Memorandum of Understanding to form the Greater Yellowstone Coordinating Committee (GYCC) to seek solutions to common issues. One of the nation’s earliest land-management partnerships, the GYCC now includes managers from National Parks, National Forests, National Wildlife Refuges, the Bureau of Land Management, and the wildlife departments of Idaho, Montana, and Wyoming. The 2023 
documents the desire of all parties to pursue voluntary opportunities to cooperate at the landscape scale. 


  • Aquatic Invasive Species

  • Clean Air Partnership

  • Climate Change Adaptation

  • Wildland Fire Management

  • Native Fish

  • Hydrology

  • Terrestrial Invasive Species

  • Whitebark Pine

  • Wildlife


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