Wallkill River, New York and New Jersey--Black Dirt Area : Communication from the Assistant Secretary of the Army (Civil Works) transmitting a letter from the Chief of Engineers, Department of the Army, submitting a report, together with accompanying papers and illustrations, on the Wallkill River, New York and New Jersey, in partial response to a resolution of the Committee on Public Works of the House of Representatives, United States, adopted October 3, 1968. (U.S. Govt. Print. Off, 1976)