Description
Published:17th ed. (Aug. 15/92)-18th ed, (Aug. 16/94).
Item Description:Depths shown by isolines and soundings.
"Soundings in feet."
Includes facilities chart 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.