Search Results - Twiss, Robert H.

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  1. 1
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    Information and outdoor recreation research / by Twiss, Robert H.

    Published 1963
    Government Document Book

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  2. 2
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    Land use and environmental impacts of decentralized solar energy use / by Twiss, Robert H.

    Published 1980
    Government Document Book

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  3. 3
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    A guide for recording esthetic and biologic changes with photographs / by Magill, Arthur W.

    Published 1965
    Other Authors: “…Twiss, Robert H.…”
    Government Document Book

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