United States--Great Lakes, Lake Superior /

Bibliographic Details
Previous Title:	National Ocean Survey United States--Great Lakes, Lake Superior
Corporate Author:	United States. National Ocean Service
Format:	Government Document Map Serial
Language:	English
Published:	Washington, D.C. : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service.
Subjects:	Nautical charts > Superior, Lake. Superior, Lake > Navigation.
Online Access:	https://purl.fdlp.gov/GPO/gpo12782

Description
Published:	Began with 28th ed., July 28, 1984.
Item Description:	"LORAN-C overprinted." Relief shown by hachures and spot heights. Depths shown by isolines and soundings. "Soundings in feet and fathoms." "Soundings in feet in blue tint areas and in fathoms elsewhere." Includes table of low water datum for Lake Superior. Electronic resource.
Physical Description:	online resource (maps) : color
Publication Frequency:	Irregular