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  • All fields: 2014-04-08
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    • Embrey Dam Breach

    • Education; Training; Dams; Fishes; Rivers and streams;
    • Second set of explosives used in the destruction of the Embrey Dam on the Rappahannock River near Fredericksburg, Virgiinia, to allow migration of the American Shad.
    • Trout sampling

    • History; Surveying; Fishes; Sampling; Wildlife Refuges;
    • Weighing and measuring and taking scale samples from creel of the trout taken on the river.
    • 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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