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Excerpt from First Lessons in Geology: To Accompany the Chautauqua Scientific DiagramsNow if there has been a recent shower, and the stream is rather high and the water thick and turbid, should we take up a tumbler-full of the water and allow it to settle, we shall see that the coarser particles fall to the bottom first and form a layer or stratum of gravel; above it is

Title : First Lessons in Geology: To Accompany the Chautauqua Scientific Diagrams (Classic Reprint)
Author : Alpheus Spring Packard
Language : en
Rating :
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Type : PDF, ePub, Kindle
Uploaded : Apr 11, 2021

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