Open-file 91-375-A: Station Locations and Grain-Size Analysis
of Surficial Sediment Samples collected on the Continental Shelf, Gulf of
the Farallones during Cruise F2-89-NC, January 1989
Figure 4. Areal distribution of mean grain-size for the regional
grid of 97 samples.

http://walrus.wr.usgs.gov/reports/ofr91-375/375fig4.html
maintained by Molly Gowen Groome,
was last modified April 1, 1996.
Department of the Interior, U.S. Geological Survey, Western Region Coastal and
Marine Geology