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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

• S-0801-0004-0001-00029
• Unidad documental simple
• ? - 1948-12-31

Parte deUnited Nations Relief and Rehabilitation Administration (UNRRA) (1943-1946)

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

• S-0801-0004-0001-00030
• Unidad documental simple
• ? - 1948-12-31

Parte deUnited Nations Relief and Rehabilitation Administration (UNRRA) (1943-1946)

Honeycombed plain at the Yellow River Project from which thousands of tons have been removed to build the earthen dam, (at left), with remaining gap to be bridged by a modern rock-fill, timber trestle dam (centre)

• S-0801-0004-0001-00036
• Unidad documental simple
• 1945-01-01 - 1948-12-31

Parte deUnited Nations Relief and Rehabilitation Administration (UNRRA) (1943-1946)

Oliver J Todd, UNRRA Chief Advisory Engineer for the Yellow River Project, supervises the loading of a giant pile driver which will sink sixty foot piles in the river's bed at the mile-long main break in the dykes at Chengchow

• S-0801-0004-0001-00038
• Unidad documental simple
• 1945-01-01 - 1948-12-31

Parte deUnited Nations Relief and Rehabilitation Administration (UNRRA) (1943-1946)

Agricultural farm tractors with tillage implements are loaded on a Yellow River train for Lanfeng

• S-0801-0005-0001-00007
• Unidad documental simple
• ? - 1948-12-31

Parte deUnited Nations Relief and Rehabilitation Administration (UNRRA) (1943-1946)

Portion of the UNRRA chartered SS Lake Sumas cargo of ammonium sulphate is unloaded on Keelung wharf, Taiwan, [October 14]

• S-0801-0005-0001-00020
• Unidad documental simple
• ? - 1948-12-31

Parte deUnited Nations Relief and Rehabilitation Administration (UNRRA) (1943-1946)

CNRRA / 763 Chinese farmers and their families are absorbed in admiration as a 12-foot self-propelling Massey-Harris farm combine picks rice near Minghong, near Shanghai, at 300 times the speed of a human being

• S-0801-0005-0001-00027
• Unidad documental simple
• ? - 1948-12-31

Parte deUnited Nations Relief and Rehabilitation Administration (UNRRA) (1943-1946)

CNRRA / 759 Chinese farmers and their families are absorbed in admiration as a 12-foot self-propelling Massey-Harris farm combine picks rice near Minghong, near Shanghai, at 300 times the speed of a human being

• S-0801-0005-0001-00031
• Unidad documental simple
• ? - 1948-12-31

Parte deUnited Nations Relief and Rehabilitation Administration (UNRRA) (1943-1946)

CNRRA / 717 Inspection at the Agricultural Experimental Farm of the CNRRA-MOAF office, Point Island

• S-0801-0005-0001-00032
• Unidad documental simple
• ? - 1948-12-31

Parte deUnited Nations Relief and Rehabilitation Administration (UNRRA) (1943-1946)

CNRRA / 712 Director-General Lowell W Rooks (center) watching the workings of one of the 40 UNRRA-supplied Rototillers, a one-man gas-driven cultivator

• S-0801-0005-0001-00035
• Unidad documental simple
• ? - 1948-12-31

Parte deUnited Nations Relief and Rehabilitation Administration (UNRRA) (1943-1946)