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4 produkter
4 produkter
487 kr
Skickas inom 10-15 vardagar
This book focuses on natural and manmade structures which are used for drawing groundwater to the surface. Groundwater extraction structures include open dug wells (small-diameter open wells and large-diameter irrigation wells), tube wells, filter point wells, bore wells, surangams, and dug-cum-bore wells.
631 kr
Skickas inom 5-8 vardagar
634 kr
Skickas inom 5-8 vardagar
541 kr
Skickas inom 10-15 vardagar
This book contains detailed information about the traditional rainwater structures. Water is found in modest proportions as 1.7 % groundwater, 1.7 % glaciers and ice caps in Antarctica and Greenland, vapour, clouds (ice and liquid water suspended in air), and 0.001% precipitation in the air.