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You've searched: All Collections

  • All fields: Johnsen
(3 results)



Display: 20

    • Delta Smelt

    • Threatened species; Fishes; Fisheries management; Aquatic environments;
    • A threatened delta smelt.
    • Delta Smelt survey boat

    • Fishes; Fisheries management; Aquatic environments; Threatened species;
    • Delta Smelt survey boat in the Sacramento Delta.
    • Delta Smelt closeup

    • Fishes; Fisheries management; Aquatic environments; Threatened species;
    • Delta Smelt in hand.

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