File:The future water supply of San Francisco; a report to the Honorable the secretary of the interior and the Advisory board of engineers of the United States army (1912) (14586446720).jpg

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Identifier: cu31924004975805 (find matches)
Title: The future water supply of San Francisco; a report to the Honorable the secretary of the interior and the Advisory board of engineers of the United States army
Year: 1912 (1910s)
Authors: Spring Valley water company, San Francisco
Subjects: Water-supply
Publisher: (San Francisco, Printed by the Rincon publishing company
Contributing Library: Cornell University Library
Digitizing Sponsor: MSN

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n watersfrom the Piocene gravels rising along the faultline and forcing their way through the overly-ing denser materials. It is now evident that the Pliocene bedsthat have a thickness of more than 4000 feetin the hills south of Pleasanton, as pointedout in my former report, dip northward atan angle varying from ten to twenty-flve de-grees, and pass far below the valley floor.The rocks forming the south face of thehills on the north side of the valley belongto an older series, and the Pliocene bedscannot therefore pass beneath them, butmust either bend very abruptly upward, orthey must have been let down by a faultagainst the older beds. In either case thewaters that enter the Pliocene gravels in theregion south of the valley must follow downalong their bedding planes and rise to thesurface along the north side of the valleywhere the fault or the upturned beds allowthem to escape. The accompanying figure, representinga north-south section across the valleys, willmake my meaning clear:
Text Appearing After Image:
PLEASANTOA/ PR0P£RT/E33pr/n^ l/a/Zey IVafer- Co. Z.ocahbn of lA/e/Zs.Or/q/na/ Tracf I I Recent fhrchcr^ses Plate 20 LOCATION OP WELLS.62 DATA AVAILABLE FROM WELL LOGS. 63

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Flickr tags
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  • bookid:cu31924004975805
  • bookyear:1912
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Spring_Valley_water_company__San_Francisco
  • booksubject:Water_supply
  • bookpublisher:_San_Francisco__Printed_by_the_Rincon_publishing_company
  • bookcontributor:Cornell_University_Library
  • booksponsor:MSN
  • bookleafnumber:81
  • bookcollection:cornell
  • bookcollection:americana
Flickr posted date
InfoField
29 July 2014


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23 September 2015

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current10:13, 10 May 2019Thumbnail for version as of 10:13, 10 May 20192,291 × 3,163 (616 KB)Faebot (talk | contribs)Uncrop
03:04, 23 September 2015Thumbnail for version as of 03:04, 23 September 20151,818 × 2,622 (900 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': cu31924004975805 ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fcu31924004975805%2F find matches])<...

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