Gulf State and Other US Nodes (0)
| Alabama |
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| Florida |
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| Louisiana |
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| Mississippi |
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| Texas |
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| Gulf of Mexico |
| Other U.S. States |
US Waterways Type (1)
| Intracoastal Waterway |
| Harbor (including harbor channels), Bay |
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| Channel (not including harbor channels) |
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| Canal |
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| Sea Lane |
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| Sea Lane with Separation Zone |
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| River, Creek, Thoroughfare, Lake |
| Estuary |
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| Open Water Routes |
| Corps of Engineers Lock |
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| Great Lakes Links (major ports) |
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| Great Lakes indirect link |
US Waterways Functional Classes (2)
| Deep Draft Vessels |
| Shallow Draft Vessels |
| Both Shallow and Deep Draft Vessels |
| Special Vessels Only (fishing, pleasure craft, etc; no freight traffic) |
| No Traffic/Non-Navigable |
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