Description
Published:Began and ceased with 11th ed., June 18, 1988.
Item Description:"LORAN-C overprinted."
"Soundings in feet."
Depths shown by isolines and soundings.
Includes table of channel depths and tidal information.
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.