Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 67
^^A ^W … Fio. 63.—Artesian basin. A, impermeable strata ; 5, permeable stratum; C, C, points wherepermeable stratum reaches the surface ; TT, artesian well. upper strata are impermeable, but lower down is found astratum of loose sand, gravel or broken stone containing waterwhich has run into it at the…
Physics
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