2011-05-232011-05-231951Accession # 11505http://hdl.handle.net/1969.3/280776 pages; available for download at the link below.The primary objectives of the fish trap have been listed in previous reports. Briefly, the trap was installed to determine the what, when, where and why of the movement of fish and other organisms.en-USpopulation migrationfisheries managementSurvey of the Effects of a Natural Pass on Fish Populations Quarterly Report - April 1, 1951 to June 30, 1951Technical Report