00556nam a2200157 450000500170000000700040001700800040002104000090002505000250003410000150005924501710007426000610024530000190030650000500032565000230037520150519091049.0000000 aUOEL aSH157.85b.K56 1961 aClay, C.H. aDesign of Fishways and other fish facilities :bincluding fish locks, fish elevators, fences & barrier dams, fish screens and artificial spawning channels /cC.H.Clay aOttawa ;bThe Deparment of Fisheries of Canada ,cc1961. a301 p, ;bill. aIncludes bibliographical references and index aDesign of Fishways