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NOAA merged Bathymetry & Topography DEM

bathymetry_topoNOAA’s Bathymetry website (http://ngdc.noaa.gov/mgg/bathymetry/relief.html) has an integrated DEM and Topgraphy dataset at 10 meter resolution for download.

The Santa Monica quad (found via the NGDC bathymetry website) covers all the waters of LA County and is available in two different vertical datums:

Using GIS Data on this site

GIS Data downloaded from this site generally requires GIS software to view. Click here for a list of GIS Data Viewers

GIS data available on this website is provided AS IS - please read the GIS Data Portal Terms of Use

Data Field Descriptions

GIS Source Information
Database Name:
Feature Class Name:
Feature Dataset Name (if applicable):
Reference Date:
Accuracy: Parcel
Update Frequency: Unknown
Access Constraints:None

Contact Information
Caldwell, R.J.

National Oceanic and Atmospheric Adminstration (NOAA)
Marine Geology and Geophysics

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