The Porcupine River is a river in Alaska and in the Yukon. Having its source in the Ogilvie Mountains north of Dawson City, Yukon, it flows north, veers to the southwest, goes through the community of Old Crow, Yukon, flowing into the Yukon River at Fort Yukon, Alaska. For the Second World War frigate class, see River class frigate The Murray River in Australia A waterfall on the Ova da Fedoz, Switzerland A river is a large natural waterway. ... State nickname: The Last Frontier, The Land of the Midnight Sun Other U.S. States Capital Juneau Largest city Anchorage Governor Frank Murkowski Official languages English Area 1,717,854 km² (1st)  - Land 1,481,347 km²  - Water 236,507 km² (13. ... Motto: none Other Canadian provinces and territories Capital Whitehorse Largest city Whitehorse Commissioner Jack Cable Premier Dennis Fentie (Yukon Party) Area 482,443 km² (9th)  - Land 474,391 km²  - Water 8,052 km² (1. ... The City of Dawson is a town in the Yukon territory of Canada, located at a latitude of 64° 03 45 N and a longitude of 139° 25 50 W. The current population is approximately 2,000. ... Old Crow has about 300 inhabitants, most of them belonging to the Gwitchin-speaking aboriginal Vuntut Gwitchin First Nation. ... The Yukon River is a watercourse of northern North America. ... Fort Yukon is a city located in Yukon-Koyukuk Census Area, Alaska. ...

The Porcupine caribou herd, considered by many to be threatened by oil-drilling in the Arctic National Wildlife Refuge (ANWR) in Alaska, gets its name from the river. Binomial name Rangifer tarandus The reindeer, known as caribou in North America, is an Arctic-dwelling deer (Rangifer tarandus). ... An oil well is a laymans term for any perforation through the Earths surface designed to find and release both petroleum oil and gas hydrocarbons. ... Arctic National Wildlife Refuge Map The Arctic National Wildlife Refuge covers about 19,600,000 acres (79,318 km²) in northeastern Alaska, in the North Slope region. ...

The oldest (but disputed) possible evidence of human habitation in North America were found in a cave along one of its tributaries, the Bluefish River. A large number of apparently human modified animal bones have been discovered in the Bluefish Caves. They have been dated to 25,000 - 40,000 years ago by carbon dating, several thousand years earlier than generally accepted human habitation of North America. Human beings are defined variously in biological, spiritual, and cultural terms, or in combinations thereof. ... Radiocarbon dating is the use of the naturally occurring isotope of carbon-14 in radiometric dating to determine the age of organic materials, up to ca. ... World map showing location of North America A satellite composite image of North America North America is the third largest continent in area and in population after Eurasia and Africa. ...

See also

• List of Alaska rivers
• List of Yukon rivers

This is a partial list of rivers in the U.S. state of Alaska. ... Arctic Watershed Upper Liard River Rancheria River Frances River Hyland River Coal River La Biche River Peel River Ogilvie River Blackstone River Hart River Wild River Bonnet Plume River Snake River Firth River Malcolm river Trail River Babbage River Blow River Bering Sea Watershed Yukon River Marsh Lake McClintock Creek...