Description
Published:24th ed. (Dec. 10/83)-27th ed. (Nov. 24/90).
Item Description:Depths shown by isolines and soundings.
Relief shown by hachures.
"Soundings in feet."
Includes table of channel depths.
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.