Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 258
, lakes, springs, and rivers,which are so many vessels connecting with each other. One ofthe most remarkable of this class of illustrations is the Artesianwell, named from the old province of Artois, in France, wherethese wells were first made. They are narrow tubes sunk in theearth to various… … of which are permeable to water, like sand and gravel, whileothers, such as clay, are impermeable. Let us suppose, then,that in a geological basin we have an alternation of such strata,for example, two beds of clay-rock, A and B, enclosing a bedof some permeable material, M, as sand; and let us…
Matter · Heat
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