Description
Published:Began with 17th ed., Nov. 1/86; ceased with 19th ed., Aug. 17/91.
Item Description:Depths shown by isolines and soundings.
Relief shown by contours and spot heights.
"Soundings in feet."
Includes source diagram, tidal information, and table of channel depths.
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.