Description
Published:33rd ed. (July 30/83)-37th ed. (May 25/91).
Item Description:Depths shown by isolines and soundings.
"Soundings in feet."
Includes tidal information, and table of channel depths.
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.