Cape Cod Canal, Mass. Letter from the Secretary of War transmitting report from the Chief of Engineers on preliminary examination and survey of Cape Cod Canal, Mass., and of Buzzard Bay, Mass., at its upper end, with a view to providing additional anchorage area and improving the approaches to the Cape Cod Canal in so far as it may be the duty of the United States to improve the same. March 3, 1931. -- Referred to the Committee on Rivers and Harbors and ordered to be printed, with illustration