Keywords: FMIB 34584 Smith's Salmon Ladder, 1840.jpeg check categories 17 September 2015 3 Smith's Salmon Ladder 1840 Subject Fishways Salmon--Migration Tag Dams 1874 Cite book Report of the Commissioner for 1872 and 1873 Report of the Commissioner United States Commission of Fish and Fisheries 1872-1873 United States Commission of Fish and Fisheries Washington DC Government Printing Office 1874 Plate XXVII-1 United States Commission of Fish and Fisheries PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 34584 Images from the Freshwater and Marine Image Bank to check United States Commission of Fish and Fisheries Fish ladders |