Description
Published:20th ed. (Apr. 5/86)-21st ed. (May 5/90).
Item Description:"LORAN-C overprinted."
Depths shown by isolines and soundings.
Relief shown by contours and spot heights.
"Soundings in fathoms."
Includes tidal information.
"Formerly C&GS 8554, 1st edition, Sept. 1912."
Electronic resource.
Physical Description:online resource (maps) : color
Publication Frequency:Irregular
Format:The .jpg versions of these maps require Adobe Photoshop or Adobe Acrobat 9 Pro to view.