Smith, Hamilton Lanphere, 1819-1903. [from old catalog] · Cleveland, M. C. Younglove and company · leaf 213
ese springs, that a stratum of stone a foot thick is annu-ally deposited, and is employed for building purposes. The hillof San Vignorn, in Tuscany, a few miles from San Fillippo, hasa thermal spring upon its summit, and from this opening, a depositof travertine, or concretionary limestone has been… … stance will be found to have undergone no alteration, but that ofnatural decay, but a true petrefaction, is saturated throughout with CALCAREOUS SPRINGS. 211 mineral matter, every part of its structure having undergone somechange, so that if we break and polish such a specimen, everypart of its…
Astronomy · Meteorology · Geology · Paleontology
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