Description
Published:22nd ed. (Aug. 18/84)-24th ed. (Jan. 26/91).
Item Description:"LORAN-C overprinted."
Depths shown by isolines and soundings.
Relief shown by hachures and spot heights.
"Soundings in fathoms."
"(For offshore navigation only)."
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.