Bathymetric contours of the continental margin offshore of Washington, Oregon, and California based on data available in the late 1980s.

Online link https://cmgds.marine.usgs.gov/catalog/pcmsc/SeriesReports/OFR/OFR_2015-1118/cowbat.shp.faq.html
Description Bathymetric contours (contour interval 100 m) of the continental margin offshore of Washington, Oregon, and California (cowbat) were compiled from various sources available in the late 1980s and used to construct 1:1,000,000-scale maps (Chase and others, 1992a, 1992b; Grim and others, 1992). The contours range from 200 to 5300 m depth.
Originators Grim, Muriel S.; Chase, Thomas E.; and Wong, Florence L.

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thumbnail map of cowbat.shp contours
thumbnail map of cowbat.shp contours