Description
Published:28th ed. (July 14/84)-32nd ed. (June 1/91).
Item Description:"LORAN-C overprinted".
Depths shown by isolines and soundings.
"Soundings in feet".
Includes 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.