“Results of the underwater acoustic survey indicate a building up of prey fish biomass in Lake Michigan, mostly in the form of bloater and alewife. This year’s biomass estimate from the ...

‘‘None of Lake Michigan fish swam into the river,’’ he said. ‘‘Most went to the east toward Gary, [and] smaller numbers went to Calumet Harbor.’’ Calumet smallmouth took an average ...

and about 40 miles from Lake Michigan. A planned lock and dam system there would include an electric barrier, unappealing sounds for fish and gates of bubbles as deterrents — all designed to ...