Asian carp barrier: disco, electric or lock-out?
ST. PAUL -- Three options appear viable to help stop the advance of Asian carp into Minnesota, but after years of talk disputes remain about how to best halt the invasion.
Legislators on the House environment committee Tuesday night criticized the Department of Natural Resource's preferred barrier, a combination of light, sound and bubbles that one lawmaker called disco (because of the light and sound) and one called the Lawrence Welk method (due to the sound and bubbles).
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