Bathymetric map : Gulf of Alaska, Portlock Bank /

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Bibliographic Details
Corporate author / creator:	United States. National Ocean Service.
Imprint:	Washington, D.C. : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, 1987.
Description:	1 map : digital, PDF file
Language:	English
Subject:	Alaska, Gulf of (Alaska) -- Maps. Portlock Bank -- Maps. Bathymetric maps.
Cartographic data:	Scale 1:250,000 ; universal transverse Mercator proj. (W 150⁰--W 147⁰/N 59⁰--N 58⁰).
Format:	E-Resource Map U.S. Federal Government Document
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/6823807

Hidden Bibliographic Details
Varying Form of Title:	Filing title: Portlock Bank Gulf of Alaska Peninsula, Portlock Bank
Notes:	Depths shown by gradient tints, isolines and soundings. Title from title screen (viewed on Mar. 24, 2008). Includes table of depth gradients, hydrographic survey information, NOS hydrographic survey index and index to adjoining sheets. "NOS NO 6-3." Mode of access: Internet from the NGDC NOAA web site. Address as of 3/24/08: http://www.ngdc.noaa.gov/mgg/bathymetry/maps/previews/NO%5F6-3.pdf; current access via PURL.
GPO item no.:	0191-B-17 (online)
Govt.docs classification:	C 55.418/7:NOS NO 6-3

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