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Making America's Best Idea Even Better
Yellowstone National ParkAerial photo of wolf pack in snow.
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Yellowstone National Park
Investigators' Annual Reports
• Investigators' Annual Report 2003 (1.3MB pdf)

• Investigators' Annual Report 2002 (1.7MB pdf)

• Investigators' Annual Report 2001

• Investigators' Annual Report 2000 (404KB pdf)

• Investigators' Annual Report 1999 (756KB pdf)

• Investigators' Annual Report 1997-1998 (902KB pdf)



Nationwide NPS - Investigators' Annual Report
 Database and Research Permitting Information


Research Permitting Information Specific to Yellowstone National Park

To learn more about current research projects in Yellowstone go to the Greater Yellowstone Science Learning Center and check the topic you are interested in, then click the projects link.



The pdf files on this page can only be viewed or printed using Adobe Acrobat Reader (available free, online).


Dog Hooked to Travois for Transporting Goods.  

Did You Know?
Some groups of Shoshone Indians, who adapted to a mountain existence, chose not to acquire the horse. These included the Sheep Eaters, or Tukudika, who used dogs to transport food, hides, and other provisions. The Sheep Eaters lived in many locations in Yellowstone.

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Last Updated: July 14, 2008 at 14:50 EST