Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'United States. Army. Office of the Chief of Engineers. Military Construction', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    Effect of size of feet on sheepsfoot roller /
    Llyfr
    Cyhoeddwyd 1954
    “...United States. Army. Office of the Chief of Engineers. Military Construction...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
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