Description
Published:29th ed. (Dec. 29/84)-32nd ed (Oct. 19/91).
Item Description:Depths shown by isolines and soundings.
Relief shown by contours.
"Soundings in feet."
Includes source diagram and tidal information.
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.