著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL United States. Board of Engineers for Rivers and Harbors and United States. Shipping Board,"The ports of Seattle, Tacoma, Bellingham, Everett, and Grays Harbor, Washington",,Government Printing Office,1925,Port series,,,,https://cir.nii.ac.jp/crid/1130282268730536576