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CNRRA / 493 Training of students in the operation of a heavy LeTourneau roadscraper as part of the curriculum of the National Administration's Training Center at Chinan University

UNRRA agricultural rehabilitation officers inspect repair work on the Chien Tang dyke in Hangchow, an UNRRA conservancy project sponsored by the agricultural rehabilitation division

View of the barrow pits -- earth has been removed by coolie labour, for use in building the dyke on the Yellow River

Layers of brush and earth are neatly locked together by creosoted Oregon pine piles, driven into the alignment of the ancient dyke

Tough kaoliang stalks are weighted with rick to deflect the Yellow River's strong scouring current from the forward portion of the huge clay-fill dam

Oliver J Todd, of Palo Alto, Calif, UNRRA's Chief Advisory Yellow River Project Engineer, veteran of nearly thirty years of engineering warfare against China's flooding, unpredictable rivers, discusses the work at the Lu Wang Fen limestone quarry
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