Keywords: FMIB 39172 Permanent Fish Grating.jpeg check categories 19 September 2015 3 Permanent Fish Grating Subject Fish screens Fish hatcheries Tag Aquaculture 1896 Cite book Contributions Toward the Improvement of the Culture of Salmonoids and Crawfish in Smaller Water-Courses Bulletin of the United States Fish Commission vol 15 1895 Wozelka-Iglau Karl Washington DC Government Printing Office 1896 Plate 72-4 Karl Wozelka-Iglau PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 39172 Images from the Freshwater and Marine Image Bank to check Karl Wozelka-Iglau Fish screens Fish hatcheries |