Description
Published:28th ed . (June 13/92)-29th ed. (Oct. 29/94).
Item Description:Depths shown by isolines and soundings.
Relief shown by contours and spot heights.
"Soundings in feet."
Includes tidal information and table of channel depths.
Electronic resource.
Physical Description:online resource (maps) : color
Publication Frequency:Biennial
Format:The .jpg versions of these maps require Adobe Photoshop or Adobe Acrobat 9 Pro to view.