[DOC] [TLE] Columbia River - Wikipedia [PAR] The Columbia River is the largest river in the Pacific Northwest region of North 
America. The river rises in the Rocky Mountains of British Columbia, Canada. It 
flows northwest and then south into the US state of Washington, then turns west 
to form most of the border between Washington and the state of Oregon .... After 
the floods, the river found its present course, and the Grand Coulee was... [DOC] [TLE] Columbia River: Description, Creation, and Discovery [PAR] Oct 31, 2008 ... The river flows north for some 200 miles (322 kilometers) and then turns ... and 
then west, and forms the border between Oregon and Washington to the Pacific 
Ocean. ... The Columbia itself was the work of Coyote in most oral traditions. .... 
One was an American, fur trader Robert Gray of Boston, and the... [DOC] [TLE] Columbia River - New World Encyclopedia [PAR] Jun 6, 2013 ... This river is the lifeblood of the Pacific Northwest; arguably the most ... The river 
forms the border between Washington and Oregon for the final 309 miles of its 
journey. .... On May 11, 1792, the American captain Robert Gray managed to ... 
Gray's discovery of the Columbia was used by the United States to... [DOC] [TLE] The Columbia River - VOA Learning English [PAR] Mar 8, 2005 ... As it flows west, the Columbia forms much of the border between the ... Large 
ocean going ships can sail up the lower Columbia River, as far as Vancouver, 
Washington. ... Robert Gray named the river after his ship, the Columbia Rediviva
. ... For many early settlers it was known as the Oregon River or the... [DOC] [TLE] Fleming Yachts - Tony's Adventures [PAR] Reproduction of Fort Clatsop Wrecks in the Columbia River bar South jetty, ... 
encountered the American captain Robert Gray in the Strait of Juan de Fuca. ... 
Gray's discovery of the Columbia River was later used by the United States to 
support ... to form most of the border between Washington and the state of 
Oregon before... [DOC] [TLE] Columbia River - The Oregon Encyclopedia [PAR] For more than ten millennia, the Columbia River has been the most ... acre-feet of 
water, with the highest volumes occurring between April and September, the 
lowest ... The Snake joins the Columbia in southeastern Washington, just miles 
from .... By 1792, American Captain Robert Gray and Lieutenant William 
Broughton of... [DOC] [TLE] Columbia River - McGill School Of Computer Science [PAR] none Bonneville Dam, in the Columbia River Gorge ... the U.S. state of 
Washington, forming much of the border between Washington and Oregon ... 
Columbia Lake, elevation 2,690 feet (820 m) and the adjoining Columbia 
Wetlands form the .... Later that month, Vancouver encountered the American 
captain Robert Gray at... [DOC] [TLE] GC55HN5 OREGON (Traditional Cache) in Iowa, United States ... [PAR] Jul 25, 2015 ... Famous Oregonians: Robert Gray (discovered Columbia River), Chief ... forms 
most of the northern border between Oregon and Washington. [DOC] [TLE] Historical map of Columbia River, Pacific Ocean [PAR] National Heritage Area is one of the most distinctive geographical ... Columbia 
controlled the nexus between river trade and ocean trade. ... Captain Robert 
Gray's Discovery of the Columbia, 1792. 3. Themes ..... today, and the 
Washington and Oregon coasts were ... mouth to form the Clatsop Plains and the 
Long Beach. [DOC] [TLE] Narrative River Tour  Colrip Website - Columbia River Pilots [PAR] Forming most of the Oregon and Washington border, the natural beauty of the 
river ... A transit up the Columbia River begins at the sea buoy which marks the 
official ... The main ship channel span, combined with the two end spans, form a 
... The clearance between the concrete piers is 1070 feet and the air draft is 208 
feet. [DOC] [TLE] Columbia (river) Facts, information, pictures | Encyclopedia.com ... [PAR] The Columbia River is one of the most dominant environmental features of ... 
Archaeologists have found evidence of human occupation of the Columbia River 
Basin dating .... Captain Robert Gray, sailed across the river

Question: Robert Gray discovered this river that forms much of the border between Washington & Oregon
Answer: Columbia