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    Minnesota briefs: Zebra mussels likely in two more lakes

    2021-09-04 15:07:17 –

    Northern Minnesota

    Zebra mussels likely in two more lakes

    Zebra mussels appear to have made their way into two more Minnesota lakes: Rainy Lake near International Falls and Horseshoe Lake in Crow Wing County.

    The Minnesota Department of Natural Resources confirmed that four of five water samples taken from Rainy Lake in July contained zebra mussel larvae, suggesting that there’s a reproducing population of the invasive species there.

    About one third of the lake, which straddles the Minnesota-Canadian border, is within Voyageurs National Park. The invasive species larvae were found in waters outside the park’s boundaries.

    The DNR has contacted the Canadian government, the National Park Service and the Bois Forte Band of Chippewa about the discovery.

    The samples were a follow-up to a report in July 2020 that a single adult zebra mussel had been found. The DNR, however, didn’t find zebra mussels in the lake at that time and none of the microscopic zebra mussel larvae were found in water samples.

    The DNR also has confirmed that zebra mussels are in Horseshoe Lake, near the city of Crosslake. A watercraft inspector found adult zebra mussels attached to an aquatic plant that was removed from a boat and trailer at the lake’s public access.

    DNR aquatic invasive species specialists also found more at opposite ends of the lake’s west bay during a follow-up search.

    Zebra mussels can compete with native species for food and habitat, cut the feet of swimmers, reduce the performance of boat motors and cause expensive damage to water intake pipes.

    Mary Lynn Smith

    DULUTH

    Superior Street reconstruction done

    Downtown Duluth’s Superior Street reopened in its entirety Friday after four years of phased reconstruction. The $31.5 million redo of one of the city’s oldest streets replaced its famous surface bricks, 1880s-era utilities and a 1930s-era steam heating system with more efficient hot water distribution. During the first phase of the project, workers found a trove of unusual objects, including old trolley tracks and undocumented vaults.

    The project stretched from the 600 block of West Superior Street to the 400 block of East Superior Street. It was initially intended to last three years, but was set back by weather and unexpected findings.

    Calling it part of Duluth’s “new downtown,” Mayor Emily Larson said the “once-in-a-generation project” took the patience of the downtown community, partners’ financial investment and “vision for a sustainable future.”

    Jana hollingsworth

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    Minnesota briefs: Zebra mussels likely in two more lakes Source link Minnesota briefs: Zebra mussels likely in two more lakes

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