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Major source |
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Flash or large lake |
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Lake or reservoir |
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Canal basin |
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Branch |
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Junction with a non-navigable branch |
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Junction with a former branch |
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Natural watercourse tributary |
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Flat crossing |
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Triangular junction |
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Canal continuing off map |
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One-way routein specified direction |
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Bridge |
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… lift |
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… swing |
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… over another canal |
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… over water |
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… over highwayinternational |
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… over motorwayBritish |
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… under railway |
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Underpass |
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Tunnel |
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Cutting |
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Embankment |
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Aqueduct |
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Marker, midpoint or milepost |
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Summit |
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Border or divide |
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Loop |
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Passing loop |
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Island |
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Toll island or gauging station |
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Ford |
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Vertical sluice gate |
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Bidirectional stop-lock |
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Flood gate or single gate |
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Lock |
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Lock staircase |
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Lock series |
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Inclined plane or boat lift |
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Abrupt end |
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Off-line marina |
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Marina or side wharf |
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Wharf or mooring |
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Dry dock |
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Pumping station or building |
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Water mill |
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Sluice with pumping station |
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Windmill |
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Miscellaneous structure or feature |
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Estuary |
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Ocean or sea |
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Feeder reservoir |
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Start/end of navigable section |
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Weir |
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White water pool |
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Reservoir |
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Large reservoir |