SWINOMISH SLOUGH SKAGIT CO. WASHINGTON (WA) BY DOWNING 1891
More Historical County Maps Area shown on this map.
SWINOMISH SLOUGH SKAGIT CO. WASHINGTON (WA) BY DOW
Fidalgo Bay, Similk Bay, Saratoga Passage, Dugula Bay, Sullivan Slough, Padilla Bay, Mouth of the Skagit River, and Swinomish Slough. Proposed channel and pile dikes are shown, as well as land and water level at low and high tide. Seattle & Northern
-, Washington United States