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  • All fields: Kalmach
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    • The bald eagle and its economic status

    • Birds of prey; Raptors; Legislation; Economics; History
    • A study of the economics of the bald eagle was prompted largely by the need for information to appraise the need for merits of bounty and other legislation affecting the eagle in the territory of Alaska.
    • Snow-sled

    • History; Vehicles; Wildlife Refuges;
    • "Snow-sled" or "snow-mobile" vehicle used by Denver Laboratory in furbearer-poison station research during winter at high altitudes. Has an 85 h.p. continental motor, 3-bladed propeller and built for two persons. Manufactured by the Call-Air...

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