This information is not intended for navigational purposes.
Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Please recognize the U.S. Geological Survey (USGS) and the Southwest Washington Coastal Erosion Study (SWWCES) as the source of this information.
Data were reprojected to Washington Stateplane South-NAD83, FIPS 4602 and MLLW meters.
NAVD88 depths were calculated using the offset determined at the Ft. Stevens tide gauge, where NAVD88 depth = -0.16m + MLLW depth.
The data is also known as: ap97su