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Beach topography 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 04:33 AM | Dataset Last Updated: June 04, 2026 at 12:00 AM
Topographic data were collected along the beaches and dunes of Humboldt Bay North Spit and South Spit, California using global navigation satellite system (GNSS) receivers mounted to backpacks. Additional topographic data were collected between transects in some areas with an all-terrain vehicles equipped with GNSS receivers. This data release currently contains topographic data from 2 surveys performed between April 2025 and September 2025 and will be updated when additional surveys become available.

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