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81. [Image] Water - A primary natural resource
Manuscript by Kenneth Reid, Executive Secretary of the Izaak Walton League of America. The document is in two parts. The first section gives evidence to man's negative influence on water. Reid advocates ...Citation -
82. [Image] PH014_53-27 Gertrude Bass Warner photographs
Hand tinted image. A large irrigation pump with eight rectangular sails is situated on a grassy piece of land next to a body of water. The framework of the irrigation pump appears to be made of bamboo. ...Citation -
86. [Image] Irrigation project in Iraq to be modernized
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88. [Image] Canadian International Irrigation Newsletter