File:The Quarterly journal of the Geological Society of London (12512767245).jpg

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194
PROCEEDINGS OP THE GEOLOGICAL SOCIETY.
whenever a river is in train (that is, when the water has got the
proper load of solid matter due to its velocity) it loses all power of
scour, be the velocity what it may.
This opens out a large subject for investigation of vital import-
ance to hydraulic engineering ; but as the object of this paper is to
show what is at present going on, the better to enable us to form
an idea of what occurred immediately before the present state of
things, I will not discuss it. I have now to consider what has been
the last great exception to which I have alluded. Tbis is the up-
heaval of the Sewalik range, and the probable formation of the
deep valleys through which our large rivers flow.
The accompanying section (fig. 3) shows by a dotted line, where
the Sewaliks are crossed, what was pi-obably the sui'face of the
Fig. 3. — Diagravi Section through the Sewcdiks near Umhalla.
Vertical scale 600 feet to 1 inch. Horizontal scale 12 miles to 1 inch.
country prior to their upheaval. We have a remarkable corrobora-
tion of this curve-theory at Guneshpoor (B), which is a little over a
mile south of the hills : a well has lately been sunk, and water was
only reached at 120 feet below the surface of the dry or Babur

tract ; while where the dotted line is above the present surface is
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Source https://www.flickr.com/photos/biodivlibrary/12512767245
Author Geological Society of London
Full title
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The Quarterly journal of the Geological Society of London.
Page ID
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34985197
Item ID
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108770 (Find related Wikimedia Commons images)
Title ID
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51125
Page numbers
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Page 194
BHL Page URL
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https://www.biodiversitylibrary.org/page/34985197
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Text
Flickr sets
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  • The Quarterly journal of the Geological Society of London. v.28 (1872).
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Flickr posted date
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14 February 2014
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This file comes from the Biodiversity Heritage Library.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

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This image was originally posted to Flickr by BioDivLibrary at https://flickr.com/photos/61021753@N02/12512767245. It was reviewed on 27 August 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

27 August 2015

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current22:53, 26 August 2015Thumbnail for version as of 22:53, 26 August 20151,941 × 3,200 (1.03 MB)Fæ (talk | contribs)== {{int:filedesc}} == {{BHL | title = The Quarterly journal of the Geological Society of London. | source = http://www.flickr.com/photos/biodivlibrary/12512767245 | description = 194 <br> PROCEEDINGS OP THE GEOLOGICAL SOCIETY. <br> whenever a river is...

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