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TITLE : Hand Dug Wells And Their Construction

This book covers well construction by hand it outlines safe working practice including keeping fresh air flowing to the worker in the well how to keep the well from contamination and methods of bringing water to the surfacebcher whlen sie die abteilung aus in der sie suchen mchtenabstract hand dug wells and their construction is a definitive work providing step by step guidance in the techniques of digging and constructing a well including the principles of groundwater storage the actual construction the materials required and details of additional sources of informationsuitable conditions layers of sand and gravel tend to provide good locations for wells and boreholes other good locations are in weathered rock in granite areas along the edges of valleys in mountainous areas or in a river valley where there may be sandy deposits under the banksnote citations are based on reference standards however formatting rules can vary widely between applications and fields of interest or study

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