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Nearshore bathymetry of Humboldt Bay North Spit and South Spit, California

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 04:38 AM | Dataset Last Updated: June 04, 2026 at 12:00 AM
Bathymetric data of the nearshore zone were collected along Humboldt Bay North and South Spits, California using personal watercraft (PWCs) equipped with single-beam sonar systems and global navigation satellite system (GNSS) receivers. This data release currently contains bathymetric data from 2 surveys performed between April 2025 and September 2025 and will be updated when additional surveys become available.

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