Description
Published:Began with 16th ed., Aug. 3/85; ceased with 17th ed., Aug. 18/90.
Item Description:"LORAN-C overprinted."
Depths shown by isolines and soundings.
Relief shown by contours and hachures.
"Soundings in feet."
Includes source diagram and diagram of large scale charts.
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.