Description
Published:34th ed. (June 20/92)-35th ed. (Dec. 4/93).
Item Description:Depths shown by isolines and soundings.
Relief shown by contours and spot heights.
"Soundings in feet."
Includes tidal information and tables 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.