| Online link | https://cmgds.marine.usgs.gov/catalog/pcmsc/SeriesReports/DS_DDS/DS_684/hydro_flattened_water_shp.faq.html |
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| Description | A GIS polygon shapefile outlining the extent of small lakes or ponds within the terrain that were assigned a hydo-flattened elevation during lidar post-processing. DEM elevations within these small areas reflect water surface elevations, not bathymetric elevations. |
| Originators | () and () |
| Field activities | O1209CA |