1. Report of testimony and statements presented at hearing on Delaware River between Philadelphia, Pa., and Trenton, N. J., also Delaware River, Philadelphia to the Sea, on Feb. 11, 1952 [before] Board of Engineers for Riverse and Harbors. Bookmark Corporate/Agency Authors: Engineers Corps (Army) and Defense Dept. Publisher: Engineers Corps (Army) Date: [1952.] SuDoc number: D 103.23:D 37