United States--Great Lakes, Lake Michigan--Illinois, Chicago Harbor /

Bibliographic Details
New Title:	United States. National Ocean Service. United States--Great Lakes, Lake Michigan--Illinois, Chicago Harbor
Corporate Author:	National Ocean Survey
Format:	Government Document Map Serial
Language:	English
Published:	Washington, D.C. : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Survey.
Subjects:	Harbors > Illinois > Chicago > Maps. Michigan, Lake > Navigation.
Online Access:	https://purl.fdlp.gov/GPO/gpo16943

Description
Published:	15th ed. (Jun. 28/75)-16th ed. (Sep. 8/78).
Item Description:	Depths shown by isolines and soundings. "Soundings in feet." Includes table of low water datum for Lake Michigan - Huron. Electronic resource.
Physical Description:	online resource (maps) : color
Publication Frequency:	Irregular