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List of NOS smooth sheets used in USGS Gulf of Alaska Digitization Project


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Golden, N.E., Reid, J.A., Zimmermann, M., Lowe, E.N., and Hansen, A.S., 2016, Digitized seafloor characterization data from the Gulf of Alaska: U.S. Geological Survey data release,


This table lists the NOS smooth sheets included in the associated shapefile (; N = 329, plus insets), the number of samples for each smooth sheet, the year of collection (1892 to 2001), and the smooth sheet scale (from 1:2,000 to 1:600,000). Smooth sheets are available through the National Geophysics Data Center’s online data portal (NDGC,


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List_of_GADP_NOSSmoothSheet.csv 10.35 KB text/csv


This comma-separated value (.csv) table, is a derivative table of the information in shapefile, included in USGS data release "Gulf of Alaska Digitization Project; Digital seafloor character data from NOS smooth sheets" ( These data are intended for science researchers, students, policy makers, and the general public. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this Federal Geographic Data Committee-compliant metadata file is intended to document the data set in nonproprietary form, as well as in ArcGIS format, this metadata file may include some ArcGIS-specific terminology.

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