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	Lake Bonneville - Wikipedia, the free encyclopedia
		The Provo level is the most easily recognized shoreline feature throughout the Bonneville basin and is distinguished by thick accumulations of tufa that formed near shore during the 500 years that the lake was at this level.
		The term "Lake Bonneville drainage" is often used to refer to the assembly of disconnected lakes and rivers; since the draining happened relatively recently, most of the fishes have not had time to evolve into distinct species.
		Lake Bonneville is named after Benjamin Louis Eulalie de Bonneville (1796–1878), a French-born officer in the United States Army, fur trapper, and explorer in the American West.
	www.wikipedia.org /wiki/Lake_Bonneville (690 words)

	NationMaster - Encyclopedia: Lake Bonneville (Site not responding. Last check: 2007-10-30)
		A pluvial lake is a lake which experiences significant increase in depth and extent as a result of increased precipitation and reduced evaporation.
		The Bonneville Bench, at approximately 5100 feet elevation, is actually the preserved shoreline--called a terrace or bench by geologists--of the ice age Lake Bonneville.
		Lake Bonneville is a very young geologic feature, with its age measured in thousands of years rather than in millions or billions of years as are most of the geologic features in Utah.
	www.nationmaster.com /encyclopedia/Lake-Bonneville (1218 words)

	Bonneville Salt Flats - Wikipedia, the free encyclopedia
		The Bonneville Salt Flats are a 159 square mile (412 km²)[1] salt flat in northwestern Utah.
		A remnant of the ancient Lake Bonneville of glacial times, the salt flats are now public lands managed by the Bureau of Land Management.
		The salt flats are perhaps most famous for their use as the Bonneville Speedway for high-speed race cars which have achieved speeds in excess of 600 miles per hour (1000 km/h).
	www.wikipedia.org /wiki/Bonneville_Salt_Flats (276 words)

	NationMaster - Encyclopedia: Bonneville Dam (Site not responding. Last check: 2007-10-30)
		Bonneville Lock and Dam is named for Army Capt. Benjamin Bonneville Benjamin Louis Eulalie de Bonneville (April 14, 1796- 1878) was a French-born officer in the United States Army, fur trapper, and explorer in the American West.
		Benjamin Bonneville, an early explorer credited with charting much of the For other uses of the term, see Oregon Trail (disambiguation) The route of the Oregon Trail is shown in red in the western United States Ruts made by wagons on the Oregon Trail in eastern Wyoming, at Register Cliff.
		Bonneville Lock and Dam is the name of a dam structure built across the Columbia River, on the border between Washington and Oregon.
	www.nationmaster.com /encyclopedia/Bonneville-Dam (1578 words)

	Bonneville Dam (Site not responding. Last check: 2007-10-30)
		Bonneville Lock and Dam is several dam structures that together complete a span of the Columbia River between the US states of Oregon and Washington at River Mile 146.1.
		Bonneville Lock and Dam is named for Army Capt. Benjamin Bonneville, an early explorer credited with charting much of the Oregon Trail.
		The original structures: a lock and powerhouse constructed on the south (Oregon) side of Bradford Island and a spillway on the north (Washington) side, were built by the Army Corps of Engineers during the New Deal —started in 1933 and finished in 1937.
	www.serebella.com /encyclopedia/article-Bonneville_Dam.html (618 words)

	Utah History Encyclopedia
		When precipitation is high, more water is added to the lake by direct precipitation on the lake and from rivers and streams flowing into the lake than is evaporated from the lake; the result is that the lake rises and expands across a larger area of the basin.
		Gilbert noted that the shorelines which formed when the lake was at the Bonneville and Provo levels are now at considerably higher elevations in the central part of the lake basin than they are around its edges.
		This lake level, the Bonneville Level, was controlled by the height of the pass near Red Rock Pass, at approximately a 5,090-foot elevation.
	www.media.utah.edu /UHE/l/LAKEBONNEVILLE.html (1444 words)

	Lake Bonneville - Slider
		The Bonneville Bench, at approximately 5100 feet elevation, is part of the preserved ice age shorline.
		During this period, the lake covered over 20,000 square miles (52,000 km²) and was over 1000 feet (300 m) deep in places.
		The lake level fell some 350 feet to what is now the next lower bench (the "Provo level") in a flood that geologists estimate to have lasted up to a year.
	enc.slider.com /Enc/Lake_Bonneville (471 words)

	History of Lake Bonneville (Site not responding. Last check: 2007-10-30)
		The Bonneville Bench is an important geologic feature of the Wasatch Front as well as one of the most striking topographic and scenic fixtures of the region.
		The first scientific study of the Lake Bonneville terraces was begun in the 1870's by Grove Karl Gilbert, a protégé of John Wesley Powell.
		The segment of the Bonneville shoreline at Point of the Mountain is one of the longest preserved and most visually spectacular segments of the ancient shoreline.
	www.bonneville-trail.org /geology.htm (277 words)

	Lake Bonneville (Site not responding. Last check: 2007-10-30)
		Lake Bonneville was a prehistoric pluvial lake whichcovered much of North America 's Great Basin region.
		At its peak, the freshwater lake covered over 20,000 square miles (52,000 km²) and was over 1000 feet (300 m) deep in places.Many of the unique geological characteristics of the Great Basin are due to the effects of the lake.
		Parts of the old shoreline are still visible above Salt Lake City and elsewhere; appearance is that of a shelf or bench protruding from the mountainside, wellabove the valley floor.
	www.therfcc.org /lake-bonneville-73306.html (168 words)

	Bonneville Salt Flats - HighBeam Encyclopedia (Site not responding. Last check: 2007-10-30)
		The lake expanded during the late Cenozoic era, then shrank rapidly at the end of the Pleistocene epoch.
		Great Salt Lake, Lake Sevier, and Utah Lake are remnants of Lake Bonneville, which was named for U.S. explorer Benjamin de Bonneville.
		Bonneville Salt Flats test man and machine to limit; As JCB unveiled its plans for a land-speed record yesterday, Sarah Probert met the man eager to get behind the wheel.(News)
	www.encyclopedia.com /html/B/BonnevilS1F1.asp (302 words)

	[No title]
		At an elevation of 4,174 feet the lake reaches a threshold at which it overflows and increases the surface area of the lake dramatically.
		The lake level at this time may have exceeded another threshold at 4,217 feet in elevation increasing the lake level from 2,800 square miles to 3,700 square miles.
		Ancient sand dunes and buried mudcracks on the floor of the lake suggest that a warming climatic trend may have evaporated all or close to all of the water content of the lake basin.
	raven.umnh.utah.edu /units/great.salt.lake/GSLbackground.html (542 words)

	S.I.E.D.O. - About Southern Idaho
		This colossal flood began at ancient Lake Bonneville, a vast prehistoric body of water who's only remains are the great Salt Lake and North Marsh Creek in Southern Idaho.
		The Bonneville flood was the second worst flood in the history of the world.
		Lake Bonneville, with no outlet to the sea, covered over 20,000 square miles including most of Utah and eastern Nevada and reached into southern Idaho.
	www.southernidaho.org /aboutsi (962 words)

	Surface Water/Water Resources/Water Atlas of Utah (Site not responding. Last check: 2007-10-30)
		Sevier Lake is a remnant of Lake Bonneville.
		By August 1880, the surface of the lake bed was a mixture of salt crystals and mud, and snowshoes were required to cross the mud to reach the water's edge.
		The lake in 1987 was similar in physical characteristics and chemical composition to the lake in 1872.
	www.engineering.usu.edu /uwrl/atlas/ch6/ch6sev.html (684 words)

	Utah's Great Salt Lake and Ancient Lake Bonneville, PI39 - Utah Geological Survey
		Lake Bonneville was a large, ancient lake that existed from about 32 to 14 thousand years ago.
		At its largest, Lake Bonneville was about 325 miles long, 135 miles wide, and had a maximum depth of over 1,000 feet.
		The Stansbury shoreline of Lake Bonneville and the Gilbert shoreline of the Great Salt Lake are less obvious, and are found lower in the valleys.
	www.ugs.state.ut.us /online/PI-39/pi39pg01.htm (290 words)

	Great Salt Lake Lesson Plans
		The depth varies with the fluctuation in the lake level, but the average is about 15 feet, with an average maximum of 30 to 33 feet.
		As a result, the Great Salt Lake is one of the saltiest bodies of water in the world, with only the Dead Sea, on the border between Jordan and Israel, having a higher salinity.
		The south arm of the lake receives flow from all three main tributaries in contrast to no major inflow of fresh water to the northern arm, which, as a result, has a significantly higher salinity.
	www.umfa.utah.edu /?id=MjE2 (612 words)

	Lake Bonneville (Site not responding. Last check: 2007-10-30)
		Most of the territory it was in present-day Utah though parts of the lake extended present-day Idaho and Nevada.
		At its peak the freshwater lake covered 20 000 square miles (52 000 km²) was over 1000 feet (300 m) deep places.
		Parts the old shoreline are still visible above Salt Lake City and elsewhere; appearance is that of shelf or bench protruding from the mountainside above the valley floor.
	www.freeglossary.com /Lake_Bonneville (522 words)

	The Bonneville Salt Flats \| Utah.com
		By 1949, the raceway on the Bonneville Salt Flats was the standard course for world land speed records.
		Although he never visited the salt flats, the area is named in honor of Captain B.L.E. Bonneville, whose expeditions in the 1830's proved the area was part of an ancient basin.
		The Bonneville Salt Flats is administered by the Bureau of Land Management for public use and enjoyment.
	www.utah.com /playgrounds/bonneville_salt.htm (884 words)

	Bonneville Dam (Site not responding. Last check: 2007-10-30)
		Bonneville Lock and Dam is named Army Capt. Benjamin Bonneville an early explorer credited with charting of the Oregon Trail.
		The original structures: a lock and powerhouse constructed on the south (Oregon) side Bradford Island and a spillway on the (Washington) side were built by the Army Corps of Engineers during the New Deal —started in 1933 and finished in 1937.
		Both the cascades and the old structure were submerged by Lake Bonneville the reservoir that formed behind the The original navigation lock at Bonneville was in 1938 and was at that time largest single-lift lock in the world.
	www.freeglossary.com /Bonneville_dam (900 words)

	GORP - Great Basin National Park - Native Species
		The Bonneville cutthroat is a subspecies of trout that evolved in complete isolation from other trout populations over the last 25,000 years.
		The lakes dried throughout the Great Basin, and the net effect was to produce the present moist high mountain islands surrounded by seas of low desert.
		Bonneville cutthroats flourished in this new-found habitat and were once well distributed in all major streams on the east side of what is now Great Basin National Park.
	www.gorp.com /gorp/resource/us_national_park/nv/fis2_gb.htm (373 words)

	Geotimes - June 2003 - Geology for the Record
		Measuring 3 kilometers long, it is a sandbar remaining from Lake Bonneville, an enormous lake that existed during the Pleistocene.
		During the Pleistocene, this was the shoreline of Lake Bonneville.
		Like many of Lake Bonneville's remaining shoreline features, the Stockton Bar is situated in an area of rapid urban growth and was recently targeted for destruction.
	www.geotimes.org /june03/feature_record.html (2398 words)

	Lake Bonneville
		Lake Bonneville was a prehistoric pluvial lake that covered much of North America 's Great Basin region.
		The Great Salt Lake is the latest in a long succession of often more extensive lakes that have occupied the basin of Great Salt Lake over the past several...
		Lake Bonneville was the precursor of the Great Salt Lake.
	www.logicjungle.com /wiki/Lake_Bonneville (329 words)

	Ice Age Animals of Utah - Utah Geological Survey
		Lake Bonneville, a large fresh-water lake, covered most of western Utah from 30,000 to 12,000 years ago.
		The Great Salt Lake is the remnant of this Ice Age lake.
		The animals that roamed the shores of Lake Bonneville included big-horn sheep (Ovis), horses (Equus), and bison (Bison), whose living relatives are found in Utah today, as well as animals such as musk oxen (Bootherium bombifrons), camels (Camelops hesternus), and giant ground sloths (Megalonyx jeffersoni), who have living relatives in other parts of the world.
	geology.utah.gov /utahgeo/dinofossil/iceage/iceage.htm (737 words)

	Catastrophic Flood Dynamic Database Info (Site not responding. Last check: 2007-10-30)
		Elevated shorelines and salt deposits in Utah, Nevada and Idaho indicate former high water levels, that are thought to be those of a vast inland lake with an area of 20,000 square miles called Lake Bonneville.
		The area is not thought to have been glaciated, but the lake is believed to have formed because of a dam, and was drained catastrophically.
		Lake Bonneville, a reservoir of water estimated to cover 19,000 square miles through Utah, Nevada and Idaho, left great salt deposits covering 100 square miles and discharged itself suddenly, after filling up, to produce a tremendous flood.
	www.sentex.net /~tcc/cfdb-wus.html (318 words)

	CVO Website - Lake Bonneville
		The "Bonneville flood" occurred bout 15,000 years ago when the great Lake Bonneville, which covered much of Utah (Great Salt Lake is the minuscule remnant) overtopped Red Rock Pass causing the lake surface to drop 300 feet to the Provo shoreline.
		Lake Bonneville's existence ended abruptly when the waters of the lake began to drain rapidly through Red Rock Pass in southern Idaho into the Snake River system.
		Lake Bonneville, which covered much of what is today the state of Utah, surged through the pass and along the channel of the Snake River in a few short months.
	vulcan.wr.usgs.gov /Glossary/Glaciers/IceSheets/description_lake_bonneville.html (1134 words)

	Utah Symbols, State Fish: Bonneville Cutthroat Trout - SHG Resources
		The Bonneville Cutthroat is native to Utah and was important to the Indians and the Mormon pioneers as a source of food.
		Bonneville cutthroats were once widespread in all major streams on the east side of what is now Great Basin National Park, in east-central Nevada (which in turn borders Utah on the west).
		Since ancient Lake Bonneville dried up 8,000 years ago in what is now eastern Nevada and Utah, Bonneville cutthroat trout (Oncorhynchus clarki utah) have persisted in the isolated small mountain streams of the eastern Great Basin.
	www.shgresources.com /ut/symbols/fish (880 words)

	THINGS TO DO IN UTAH - BONNEVILLE SALT FLATS (Site not responding. Last check: 2007-10-30)
		Stretching over 30,000 acres, the Bonneville Salt Flats is a fragile resource administered by the Bureau of Land Management.
		Although he never visited the salt flats, the area is named in honor of Captain B. Bonneville, whose expeditions in the 1830s proved the area was a part of the ancient basin.
		Late, in 1910, the first permanent crossing of the Bonneville Salt Flats was completed when the southern Pacific Railroad was built linking Salt Lake City and San Francisco.
	www.thingstodo.com /states/UT/blm/bonneville.html (899 words)

	Bonneville Shoreline Provo Canyon
		The Bonneville Shoreline Trail is a series of trails along the slope of the Wasatch Mountains where the old shoreline of Lake Bonneville met the hills.
		The cliffs are formed of conglomerate deposited during the early days of Lake Bonneville.
		Lake Bonneville covered the Wasatch Front valleys and western desert for 1 million years, until around the end of the Ice Age 12,000 years ago.
	www.utahmountainbiking.com /trails/bonsh-pr.htm (658 words)

	The Wave - A Science Lesson Plan
		At its maximum extent, Lake Bonneville, the Great Salt Lake's immediate precursor, was about 1,200 feet deep and spread over much of western Utah and portions of Nevada and Idaho, covering an area of about 20,000 square miles.
		The new lake level, known as the Provo level, was maintained for another 500 years.
		The most noticeable terraces today are the Bonneville level (the top level), the Provo level (next one down), and the Stansbury level (which was created when Lake Bonneville was still rising and is much less obvious than the other two).
	www.umfa.utah.edu /?id=MjI5 (711 words)

	Reintroducing Bonneville Cutthroat Trout at Great Basin National Park
		Unfortunately Bonneville cutthroat trout were extirpated from their ancestral waters within Great Basin National Park largely as a result of two factors: stocking of nonnative fish and habitat degradation frm human activities.
		Park streams and lakes are no longer stocked with nonnative trout, mining and livestock grazing no longer occur, and stream habitat is improving.
		Bonneville cutthroat in their native waters can reach relatively large sizes in small creeks compared to brook, rainbow and brown trout.
	www.nps.gov /grba/bct.htm (488 words)

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