Entrance to Mobile Bay nautical chart

Scale 1:40,000.
Facsim. of nautical chart originally "Published in 1851."
Depths shown by gradient tints and soundings.
"BiC-14."
"American Revolution Bicentennial, 1776-1976."
Includes table of abbreviations and text.
Available also through the Library of Congress Web site as a raster image.
AACR2