Skagit_bathy.jpg

By Pacific Coastal and Marine Science Center 2020 (approx.)

Three maps show how depth of water in a river delta changed from 1890 to 2014.

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Detailed Description

Map of the bathymetry of the Skagit River delta in 1890 (A), 1939 (B), and 2014 (C).

Sources/Usage

Public Domain.