Department of the Interior
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DOI manages 507 million acres of surface land, or about one-fifth of the land in the U.S.
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Old Faithful
Old Faithful webcam is one of several webcams available in National Parks.
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How Do I ?
Get Help in Complying with DOI Requirements?
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Visit a National Park or Historic Site?
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Find a National Wildlife Refuge?
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Get More Information About Recreational Use on Public Lands?
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Learn More About Adopting a Lighthouse?
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Learn More About Adopting a Wild Horse or Burro?
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Volunteer to Help in National Parks, Wildlife Refuges or other Federal Lands?
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Find a Map of Federal Lands?
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Learn More About a Visit to Washington, D.C., Including National Monuments and Historic Sites?
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How Do I Trace Indian Ancestry?
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Make Campground Reservations?
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Find out about Land Patents?
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