xii, 446 pages, 16 unnumbered pages of plates : illustrations, folded maps (some color), plans (some folded, some color) ; 24 cm
OCLC
ocm05787156
At head of title: War Department, Corps of Engineers, United States Army, and United States Maritime Commission.
"Revised 1938."
"List of reports": p. iii-iv.
"June 14, 1938. ... The Chief of Engineers, U.S. Army ..."--P. ix.
"Information covering the ports on the Delaware River above Philadelphia included in the previous edition of the report is now published in Port Series No. 30"--Introduction, p. xi.