Description
Published:Began with 39th ed. (Sept. 29/84) and ceased with 44th ed. (Aug. 31/91).
Item Description:Depths shown by isolines and soundings.
"Soundings in feet."
Includes tables of channel depths and tidal information.
"Formerly C&GS 517, 1st edition, Jan. 1901 G-1944-619."
Electronic.
Physical Description:online resources (maps) : color
Publication Frequency:Irregular
Format:The .jpg versions of these maps require Adobe Photoshop or Adobe Acrobat 9 Pro to view.