Marine magnetic data from Point Sur to Piedras Blancas, central California, 2011

Online link https://cmgds.marine.usgs.gov/catalog/pcmsc/DataReleases/ScienceBase/DR_F7FB51F7/PointSurToPiedrasBlancas_magnetics.faq.html
Description This dataset includes marine magnetic data collected by the U.S. Geological Survey (USGS) in 2011 during field activity B-05-11-CC between Point Sur and Piedras Blancas, central California.
Originators Watt, Janet T.; Hartwell, Stephen R.; and Johnson, Samuel Y.

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Greyscale image map showing acoustic backscatter of the Columbia River mouth off Oregon and Washington. Lighter tones show stronger, high-intensity backscatter indicating harder and rougher bottom types such as rocky outcrops or coarse sediment; darker tones show weaker, low-intensity backscatter indicating softer bottom types such as fine sediment.
Greyscale image map showing acoustic backscatter of the Columbia River mouth off Oregon and Washington. Lighter tones show stronger, high-intensity backscatter indicating harder and rougher bottom types such as rocky outcrops or coarse sediment; darker tones show weaker, low-intensity backscatter indicating softer bottom types such as fine sediment.