Nautical chart showing the port facilities in the Hudson River at the Port of New York, New Jersey Source map supplied by New Jersey Department of Environmental Protection Soundings are expressed in feet and tenths below local plane of mean low water as determined from gauge set by U.S. Engineer Office. Work done by C.W.S. Soundings taken approximately 2 ft. from face of pier or bulkhead. Soundings taken from Mar. 7 to Mar 20, 1934