Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'United States National Resources Board', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    A report on national planning and public works in relation to natural resources and including land use and water resources with findings and recommendations. December 1, 1934. Subm... gan United States National Resources Board

    Cyhoeddwyd 1934
    Llyfr

    A report on national planning and public works in relation to natural resources and including land use and water resources with findings and recommendations. December 1, 1934. Submitted to the President in accordance with Executive order no. 6777, June 30, 1934.

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