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Title
Vintage illustration of a London`s Foundations Pierced Through by Artesian Wells. #179212391
Description
The New Book of Knowledge Encyclopaedia 1930s / 1940s - Social history of London 1800s. An aquifer is a geologic layer of porous and permeable material such as sand and gravel, limestone, or sandstone, through which water flows and is stored. An artesian aquifer is a confined aquifer containing groundwater under positive pressure. An artesian aquifer has trapped water, surrounded by layers of impermeable rock or clay which apply positive pressure to the water contained within the aquifer.
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