The National Map
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| Home > services > contours (MapServer) > Contours - 50-Foot > iteminfo | Help | API Reference |
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| description: | Contours for display at medium-large scales (1:50,000–1:150,000) from The National Map. These contours were generated by EROS (USGS Center for Earth Resources Observation and Science) from the 1/3-arc-second National Elevation Dataset and the National Hydrography Dataset. They cover the continental United States, and can also be found for download at https://topotools.cr.usgs.gov/contour_data.php. |
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| title: | Contours - 50-Foot |
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| tags: | [] |
| culture: | en-US |
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