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Gulf Intracoastal Waterway

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The Gulf Intracoastal Waterway (GIWWTemplate:Sfn) is the portion of the Intracoastal Waterway located along the Gulf Coast of the United States. It is a navigable inland waterway running approximately Template:ConvertTemplate:Sfn from Saint Marks, Florida, to Brownsville, Texas.

The waterway provides a channel with a controlling depth of Template:Convert, designed primarily for barge transportation. Although the U.S. government proposals for such a waterway were made in the early 19th century,<ref name="handbook">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> the Gulf Intracoastal Waterway was not completed until 1949.<ref name="alperin">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

EHL & WHL mileagesEdit

File:165whl.jpg
The Corps of Engineers marks the Intracoastal with channel markers like this one.

Locations along the Gulf Intracoastal Waterway are defined in terms of statute miles (as opposed to nautical miles, in which most marine routes are measured) east and west of Harvey Lock, a navigation lock in the New Orleans area located at Template:Coord. The Hathaway Bridge in Panama City, Florida, for example, is at mile 284.6 EHL (East of Harvey Lock). The Queen Isabella Causeway Bridge at South Padre Island is at mile 665.1 WHL (West of Harvey Lock).<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Connecting waterwaysEdit

Template:Further The Gulf Intracoastal Waterway crosses or meets, and in some cases is confluent with, numerous other navigable rivers and waterways. They include:

Ports and harborsEdit

File:Gulf Intracoastal Waterway Galveston Bay.jpg
The Gulf Intracoastal Waterway enters Galveston Bay at Port Bolivar, Texas

Many of the busiest ports in the United States in terms of tons of cargo<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> are located on or near the Gulf Intracoastal Waterway. Notable ports on or near the waterway include:Template:Update needed
Florida


Alabama


Mississippi


Louisiana

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Texas

See alsoEdit

ReferencesEdit

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SourcesEdit

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