> For the complete documentation index, see [llms.txt](https://docs.os.uk/os-downloads/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.os.uk/os-downloads/products/maps-and-imagery-portfolio/os-mastermap-topography-layer/os-mastermap-topography-layer-standard-styling-specification/cartographic-styling-for-new-descriptive-terms/topographicline.md).

# TopographicLine

## TopographicLine mapping table for new descriptive terms.

<table data-full-width="true"><thead><tr><th>descriptiveGroup</th><th>descriptiveTerm</th><th>physicalPresence</th><th>make</th><th>Style name</th></tr></thead><tbody><tr><td>General Feature</td><td>Cattle Grid</td><td>Edge/Limit</td><td></td><td>defaultDashedLine</td></tr><tr><td>General Feature</td><td>Cattle Grid</td><td>Obstructing</td><td></td><td>defaultLine</td></tr><tr><td>Inland Water</td><td>Canal Feeder</td><td>Edge/Limit</td><td></td><td>waterLine</td></tr><tr><td>Inland Water</td><td>Collects</td><td>Edge/Limit</td><td></td><td>waterLine</td></tr><tr><td>Inland Water</td><td>Conduit</td><td>Edge/Limit</td><td></td><td>waterLine</td></tr><tr><td>Inland Water + Structure</td><td>Conduit</td><td>Edge/Limit</td><td></td><td>waterLine</td></tr><tr><td>Inland Water + Structure</td><td>Conduit</td><td>Obstructing</td><td></td><td>defaultLine</td></tr><tr><td>General Feature</td><td>Conveyor</td><td>Obstructing</td><td></td><td>defaultLine</td></tr><tr><td>General Feature</td><td>Conveyor</td><td></td><td></td><td>defaultLine</td></tr><tr><td>General Feature</td><td>Crane + Overhead Construction</td><td></td><td></td><td>defaultDashedLine</td></tr><tr><td>Inland Water</td><td>Drain</td><td></td><td></td><td>waterLine</td></tr><tr><td>Inland Water</td><td>Ford</td><td>Edge/Limit</td><td></td><td>waterLine</td></tr><tr><td>General Feature</td><td>Gantry + Overhead Construction</td><td></td><td></td><td>defaultDashedLine</td></tr><tr><td>General Feature</td><td>Groyne</td><td>Obstructing</td><td></td><td>seaDefenceLine</td></tr><tr><td>Inland Water</td><td>Culvert + Issues</td><td>Edge/Limit</td><td></td><td>waterLine</td></tr><tr><td>General Feature</td><td>Lighting Gantry + Overhead Construction</td><td></td><td></td><td>defaultDashedLine</td></tr><tr><td>General Feature</td><td>Line Of Mooring Posts</td><td></td><td></td><td>postsLine</td></tr><tr><td>General Feature</td><td>Line Of Posts</td><td></td><td></td><td>postsLine</td></tr><tr><td>General Feature</td><td>Lock Gate</td><td>Obstructing</td><td></td><td>defaultLine</td></tr><tr><td>Inland Water</td><td>Mill Leat</td><td>Edge/Limit</td><td></td><td>waterLine</td></tr><tr><td>Inland Water</td><td>Mine Leat</td><td>Edge/Limit</td><td></td><td>waterLine</td></tr><tr><td>Inland Water + Structure</td><td>Mine Leat</td><td>Edge/Limit</td><td></td><td>waterLine</td></tr><tr><td>Building + Tidal Water</td><td>Mean High Water (Springs) + Normal Tidal Limit + Outline</td><td>Obstructing</td><td>Manmade</td><td>waterBoldLine</td></tr><tr><td>General Feature + Tidal Water</td><td>Mean High Water (Springs) + Normal Tidal Limit</td><td>Edge/Limit</td><td></td><td>waterBoldLine</td></tr><tr><td>General Feature + Tidal Water</td><td>Mean High Water (Springs) + Normal Tidal Limit</td><td>Obstructing</td><td></td><td>waterBoldLine</td></tr><tr><td>Structure + Tidal Water</td><td>Mean High Water (Springs) + Normal Tidal Limit</td><td>Obstructing</td><td>Manmade</td><td>waterBoldLine</td></tr><tr><td>Tidal Water</td><td>Mean High Water (Springs) + Normal Tidal Limit</td><td>Edge/Limit</td><td>Natural</td><td>waterBoldLine</td></tr><tr><td>General Feature</td><td>Overhead Construction + Rail Signal Gantry</td><td></td><td></td><td>defaultDashedLine</td></tr><tr><td>General Feature</td><td>Slipway</td><td>Edge/Limit</td><td></td><td>defaultLine</td></tr><tr><td>General Feature</td><td>Sloping Masonry</td><td>Edge/Limit</td><td></td><td>defaultLine</td></tr><tr><td>General Feature</td><td>Sluice</td><td>Obstructing</td><td>Manmade</td><td>defaultLine</td></tr><tr><td>Inland Water</td><td>Spreads</td><td>Edge/Limit</td><td></td><td>waterLine</td></tr><tr><td>General Feature</td><td>Spring</td><td>Obstructing</td><td></td><td></td></tr><tr><td>Inland Water</td><td>Culvert + Spring</td><td>Edge/Limit</td><td></td><td></td></tr><tr><td>Inland Water</td><td>Watercourse</td><td>Edge/Limit</td><td></td><td></td></tr><tr><td>Inland Water</td><td>Waterfall</td><td>Edge/Limit</td><td>Natural</td><td></td></tr><tr><td>General Feature</td><td>Waterfall (vertical)</td><td>Edge/Limit</td><td>Natural</td><td></td></tr><tr><td>Inland Water + Structure</td><td>Weir</td><td>Obstructing</td><td></td><td></td></tr><tr><td>Structure + Tidal Water</td><td>Mean High Water (Springs) + Weir</td><td>Obstructing</td><td>Manmade</td><td></td></tr></tbody></table>


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