Description
Published:Began with 21st ed., Apr. 27/96.
Item Description:Depths shown by isolines and soundings.
"Soundings in feet."
Three ancillary maps extend main map; all Scale 1:80,000.
Includes tide tables and nautical chart diagram.
Editions kept current by periodical online updates.
Physical Description:1 online resource (maps) : color.
Publication Frequency:Irregular
Format:The .jpg versions of these maps require Adobe Photoshop or Adobe Acrobat 9 Pro to view.