Description
Published:33rd ed. (Mar. 26/94).
Item Description:Depths shown by isolines and soundings.
Relief shown by hachures and spot heights.
"Soundings in fathoms."
Includes location diagram of large scale charts.
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.