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Ladybugs. (1)
Lake ecology--Ontario--Crawford Lake. (2)
Lake ecology--Ontario--Lady Evelyn Reservoir. (1)
Lake sediments--Ontario--Algoma (District) (1)
Lakes (1)
Lakes--Costa Rica. (1)
Lakes--Lake Crawford. (1)
Lakes--Ontario--Algoma (District) (1)
Lakes--Ontario--Wawa Region. (1)
Lakes--Ontario. (1)