Text this: Swinomish Slough, Padilla Bay, and waterways to Fidalgo and Similk Bays, Wash. Letter from the Secretary of War, transmitting, with a letter from the Chief of Engineers, report on preliminary examination of Swinomish Slough, Padilla Bay, and waterways connecting Padilla Bay with Similk Bay, and Fidalgo Bay with Similk Bay, Wash.