Scale 1:20,000. Title in lower margin: Delaware Breakwater. Facsim. of nautical chart originally "Published at Washington, D.C., November 1901 ..." Relief shown by shading and hachures. Depths shown by contours and soundings. "Polyconic projection." "American Revolution Bicentennial, 1776-1976." "Plate no. 2710." "BiC-54." Includes sailing information. Available also through the Library of Congress Web site as a raster image. AACR2: 110; 650/2; 651/3; 710/1
U.S. Coast And Geodetic Survey; National Ocean Survey
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