About: Willamette Falls Locks

Property	Value
dbo:abstract	The Willamette Falls Locks are a lock system on the Willamette River in the U.S. state of Oregon. Opened in 1873 and closed since 2011, they allowed boat traffic on the Willamette to navigate beyond Willamette Falls and the T.W. Sullivan Dam. Since their closure in 2011 the locks are classified to be in a "non-operational status" and are expected to remain permanently closed. Located in the Portland metropolitan area, the four inter-connected locks are 25 miles upriver from the Columbia River at West Linn, just across the Willamette River from Oregon City. The locks were operated by the United States Army Corps of Engineers and served primarily pleasure boats. Passage through the locks was free for both commercial and recreational vessels. The locks were added to the National Register of Historic Places in 1974 and designated as an Oregon Historic Civil Engineering Landmark by the American Society of Civil Engineers in 1991. The locks comprise seven gates in four chambers which lift up to 50 feet (15 m) elevation change (depending on tides and river flow) with a usable width of 37 feet (11 m). The system is 3,565 feet (1,087 m) long, and can accommodate vessels up to 75 feet (23 m) long. Each of the four concrete constructed chambers are 210 by 40 feet (64 by 12 m). (en)
dbo:dateAct	1868-10-26 (xsd:date)
dbo:dateClosed	2011-11-17 (xsd:date)
dbo:principalEngineer	dbr:Isaac_W._Smith_(surveyor)
dbo:thumbnail	wiki-commons:Special:FilePath/USACE_Willamette_Falls_Locks_Oregon.jpg?width=300
dbo:wikiPageExternalLink	http://oregonnews.uoregon.edu http://cdnc.ucr.edu/cgi-bin/cdnc http://oregonnews.uoregon.edu/lccn/sn85042522/1873-06-28/ed-1/seq-3/ http://www.endoftheoregontrail.org/lox.html http://www.nwp.usace.army.mil/op/wfl/facts.asp http://www.savingplaces.org/treasures/willamette-falls-navigation-canal-and-locks%23.U4993cJOVAk http://www.willamettefalls.org https://books.google.com/books%3Fid=3dtGAQAAIAAJ https://books.google.com/books%3Fid=JYU3AQAAIAAJ&pg=PP143 https://books.google.com/books%3Fid=RRVOAAAAYAAJ&pg=PA660 https://books.google.com/books%3Fid=RVFOAQAAIAAJ https://books.google.com/books%3Fid=yaVTAAAAYAAJ http://chroniclingamerica.loc.gov https://archive.org/details/bub_gb_seRDAAAAYAAJ
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dbp:added	1974 (xsd:integer)
dbp:beamM	77.500000 (xsd:double)
dbp:built	1873 (xsd:integer)
dbp:cap	2 (xsd:integer)
dbp:caption	Steamboat and barge traffic in the lock, circa 1915 (en)
dbp:dateAct	1868-10-26 (xsd:date)
dbp:dateBegan	1871-01-01 (xsd:date)
dbp:dateClosed	2011-11-17 (xsd:date)
dbp:dateCompleted	1873 (xsd:integer)
dbp:dwgs	5 (xsd:integer)
dbp:engineer	Isaac W. Smith (en)
dbp:id	or0002 (en)
dbp:imageCaption	Willamette Falls Locks 1990; circa 1915, Grahamona in transit. (en)
dbp:imageSize	280 (xsd:integer)
dbp:location	West Linn, Oregon, US (en)
dbp:locks	four (en)
dbp:locmapin	USA Oregon Oregon City#USA Oregon#USA (en)
dbp:name	Willamette Falls Locks (en)
dbp:originalLengthKm	164 (xsd:integer)
dbp:originalOwner	Willamette Falls Canal & Locks Co. (en)
dbp:photos	14 (xsd:integer)
dbp:refnum	74001680 (xsd:integer)
dbp:survey	OR-1 (en)
dbp:title	Willamette Falls Lock Chamber No.1, Willamette River, West Linn, Clackamas County, OR (en)
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gold:hypernym	dbr:System
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rdfs:comment	The Willamette Falls Locks are a lock system on the Willamette River in the U.S. state of Oregon. Opened in 1873 and closed since 2011, they allowed boat traffic on the Willamette to navigate beyond Willamette Falls and the T.W. Sullivan Dam. Since their closure in 2011 the locks are classified to be in a "non-operational status" and are expected to remain permanently closed. (en)
rdfs:label	Willamette Falls Locks (en)
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foaf:name	(en) Willamette Falls Locks (en)
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