Search Results - Johansen, Ragnar W.

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  1. 1
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    Prescribed burning on large landholdings in the South during 1975 / by Johansen, Ragnar W.

    Published 1982
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  2. 2
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    Effects of fire on southern pine : observations and recommendations / by Wade, Dale D.

    Published 1986
    Other Authors: “…Johansen, Ragnar W.…”
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    The model II Michigan sand caster : a new machine for forest fire control / by Crosby, John S.

    Published 1963
    Other Authors: “…Johansen, Ragnar W.…”
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