Description
Published:Began with 48th ed (Jun. 7/97).
Item Description:Depths shown by isolines and soundings.
"Soundings in feet."
Includes source diagram, tables of channel depths, and tidal information.
"Formerly C & GS 517, 1st ed., Jan. 1901 G-1944-619 KAPP 76."
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.