United States--east coast, Maine, Deer Island Thorofare and Casco Passage /

Bibliographic Details
Corporate Author:	National Ocean Survey
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Survey, 1975.
Edition:	6th ed., Mar. 29, 1975.
Subjects:	Penobscot Bay (Me.) > Navigation. Maine, Gulf of > Navigation. Deer Isle (Me.) > Maps.
Online Access:	https://purl.fdlp.gov/GPO/gpo27356

Description
Item Description:	Depths shown by isolines and soundings. Relief shown by contours and spot heights. Title from title screen (viewed Aug. 30, 2012). "Soundings in feet." "(Formerly C&GS 227)." Includes tidal information. Electronic resource.
Physical Description:	1 online resource (1 map) : color
Format:	The .jpg versions of these maps require Adobe Photoshop or Adobe Acrobat 9 Pro to view.