THE GRAHAM CLARK LECTURE, 1955.,THE ENGINEER'S CONTRIBUTION TO THE CONSERVATION OF NATURAL RESOURCES Available to Purchase

ENGINEERS, CONSERVATION, NATURAL, RESOURCES, WATER, IRRIGATION, HISTORY, SILT, IMPROVEMENT, TECHNIQUES, SURVEYS, DAMS, DESIGN, CONSTRUCTION, HYDRAULIC, MODELS, PROBLEMS, LAND, RECLAMATION, ENERGY, METALLURGY, FABRICATION, LABOUR, LIMITATION, POPULATION, GROWTH, NEEDS, TENNESSEE VALLE, KEMANO PROJECT, VOLTA RIVER, PUNJAB, YANGTSE RIVER, NEW YORK, USA, CANADA, AFRICA, INDIA, CHINA