Service Employee Alex Carter ATVing to a remote larval assessment site at the West Sleeping River, Michigan.

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Photo credit: © NatPar Collection / Alamy / Afripics
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Keywords: biological, biologicalstation, forest, historic, invasive, invasives, invasivespecies, lamprey, larva, larvae, larval, marquette, mi, michigan, midwest, national, park, sea, sealamprey, service, species, station, usa, wildlife