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Home Geography Resources Definitions St. Lawrence River

St. Lawrence River Written by Paula Long    The St. Lawrence River flows between Lake Ontario and the Atlantic Ocean.  It is about 800 miles long. It runs along the northern  border of New York state and the southern border of the Canadian provinces of Quebec and Ontario.  From Lake Ontario to the Canadian city of Quebec the St. Lawrence River is freshwater.  At Quebec it becomes an estuary which means that the fresh water of the river begins to mix with salt water as it meets with the Atlantic Ocean. The St. Lawrence River is an important waterway for ships traveling from the Atlantic Ocean to the Great Lakes. St. Lawrence River     For more information about the St. Lawrence River look at these web pages: St. Lawrence Watershed New York Department of Environmental Conservation http://www.dec.ny.gov/lands/48021.html St. Lawrence Seaway Tour – Flash video Great Lakes St. Lawrence Seaway http://www.media-seaway.com/seaway_handbook/flash-tour-en/tour.htm Great Lakes/St. Lawrence River map http://en.wikipedia.org/wiki/File:Grlakes_lawrence_map.png General Information about the St. Lawrence River Great Lakes Net http://www.great-lakes.net/lakes/stlaw.html River Facts Save the River http://www.savetheriver.org/index.cfm?page=app.riverFacts 1815 Map of the St. Lawrence River  by John Melish David Rumsey Map Collection http://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~882~60277:Map-of-the-River-St--Lawrence-and-A Great Lakes St. Lawrence Seaway System – Vehicle Transit Information http://www.greatlakes-seaway.com/R2/jsp/R2.jsp?language=E&loc=VT00.jsp Click on the lock location and the vessels currently waiting are listed Google Map showing location of ships in the Great Lakes and St. Lawrence Seaway http://www.greatlakes-seaway.com/en/navigating/map/index.html Great Lakes St. Lawrence Seaway System http://www.greatlakes-seaway.com/en/students-and-educators/index.html Water levels in the St. Lawrence River Transport Quebec http://www.mtq.gouv.qc.ca/portal/page/portal/ministere_en/ministere/environnement/changements_climatiques/adapter_transports_impacts_changements_climatiques/niveaux_eau_saint-laurent Last Updated ( Monday, 25 May 2009 )   < Prev   Next > [ Back ]