Description
Published:14th ed. (Nov. 22/75)-20th ed. (Jan. /82).
Item Description:Depths shown by isolines and soundings.
"Soundings in feet."
Four insets include 2 extensions of main map and 2 enlargements of designated areas; all Scale 20,000.
Includes tide tables and nautical chart diagram.
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.