. Elements of geology : a text-book for colleges and for the general reader. Geology. Fig. 68.—Hill-side Spring. Upon Mil-sides, just where porous, water-bearing strata such as sand outcrop, underlaid by impervious strata like clay ; 2. On. fissures pene- trating the country rock to great depth. Most of the small springs occurring everywhere belong to the first class. The figure (Fig. 68) represents a section of a hill composed mostly of porous strata, b, but underlaid by impervious clay stratum, c. Water falling upon the surface sinks through b until it comes in contact * Herschel's Physical
. Elements of geology : a text-book for colleges and for the general reader. Geology. Fig. 68.—Hill-side Spring. Upon Mil-sides, just where porous, water-bearing strata such as sand outcrop, underlaid by impervious strata like clay ; 2. On. fissures pene- trating the country rock to great depth. Most of the small springs occurring everywhere belong to the first class. The figure (Fig. 68) represents a section of a hill composed mostly of porous strata, b, but underlaid by impervious clay stratum, c. Water falling upon the surface sinks through b until it comes in contact * Herschel's Physical Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original LeConte, Joseph, 1823-1901. New York : D. Appleton and Co.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1892
