Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Hydrography: Washington, D.C.

Hydrography lines. The dataset contains polygons representing planimetric hydrographyC. Office of the Chief Technology Officer (OCTO). This is a complete new capture from aerial photography flown in mid to Late April This is part of a comprehensive sensor collection effort to sychronize orthophotos The following planimetric layers were updated: - Barrier Lines- Building Polygons- Bridge and Tunnel Polygons- Curb Lines- Grate Points- Horizontal and Vertical Control Points- Hydrography Lines- Obscured Area Polygons- Railroad Lines- Road FOR THESE AREAS
ArcGIS Open Data
Washington, D.C., United States
Environment, Hydrography, Building, and Planimetrics
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