Fraser River
citation: http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&docid=2zrfV3pO3KijiM&tbnid=wYktWSyk_jA_RM:&ved=0CAcQjRw&url=http%3A%2F%2Fwww.aquatic.uoguelph.ca%2Frivers%2Ffraser.htm&ei=MVcoVLrZHsjBggTnm4HgDA&bvm=bv.76247554,d.eXY&psig=AFQjCNF-CxdHYHrCIUcUkdee-coBcFpR5w&ust=1412016232756145
this is from goggle
1) The Fraser River is the longest river within British Columbia, Canada, rising at Fraser Pass near Mount Robson in the Rocky Mountains and flowing for 1,375 kilometers.
2) Basin area: 84,942 sq miles (220,000 km²)
3) Length: 854 miles (1,375 km)
6) It is the tenth longest river in Canada.
Yukon River
citation: http://i.gonoma.net/i/transports/1006/yukon-images/aerial-yukon-large.jpg
this is from Google
1) The Yukon River is a major watercourse of northwestern North America. The source of the river is located in British Columbia, Canada. The next portion lies in, and gives its name to, Yukon.
2) Length: 1,980 miles (3,187 km)
5) The Russians named the Yukon River, believing that “yuk-khana” was a Deg Xinag phrase meaning big river.
6) The generally accepted source of the Yukon River is the Llewellyn Glacier at the southern end of Atlin Lake in British Columbia.
Mackenzie River
citation: https://tce-staging.s3.amazonaws.com/media/media/1f4ae5ba-ddad-4d14-bd8f-f108e98c30af.jpg
this is from Google
1) The Mackenzie River is the largest and longest river system in Canada, and is exceeded only by the Mississippi River system in North America.
2) Length: 1,080 miles (1,738 km)
3) Basin area: 697,000 sq miles (1.805 million km²)
4) Location Beaufort Sea, Inuvik Region
5) It is the largest river flowing into the Arctic from North America, and with its tributaries is one of the longest rivers in the world.
6) The river's main stem runs 1,738 kilometers (1,080 mi) in a northerly direction to the Arctic Ocean, draining a vast area nearly the size of Indonesia.