Title: Rock Hall Harbor, Md. Letter from the Secretary of War transmitting a letter from the Chief of Engineers, United States Army, dated April 2, 1937, submitting a report, together with accompanying papers and illustration, on a preliminary examination and survey of Rock Hall Harbor, Kent County, Md., authorized by the River and Harbor Act approved August 30, 1935
Subjects: Hydrography, Harbors, Topographical surveying