. . "Statistics"@en . "This reports on the Hydroacoustic Technology Incorporated (HTI) fixed-location, split-beam sonar, which was used to estimate chum salmon, Oncorhynchus keta, escapement in the Sheenjek River from August 9 to September 26, 2003."@en . . . . . . . . . . . . . . . "Sonar estimation of fall chum salmon abundance in the Sheenjek River, 2003"@en .