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) (14772801162).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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ara-tively large to accommodate the floods of theUpper Alameda. Measurements of Upper Ala-meda floods are very few in number. There wereno large floods in the season of 1911-1912, thoughin 1910-1911 we have record of what is probablya maximum flood. This flood, at its peak, wasrunning at the rate of 2100 million gallons perday. I have designed a tunnel connecting the Up-per Alameda with the arm of the Calaveras Res-ervoir that extends up the Hondo. With a gradeof 62% feet per mile, this has a capacity of over2000 M. Or. D. A small reservoir will be createdby the diversion dam in the Upper Alameda,which will act as a regulator, and by reason ofthe fact that the peak of the high floods lasts butfor a few hours, there is every reason to believethat practically all the waters of the Upper Ala-meda will be stored in the Calaveras Reservoir.Even though the peaks of extreme floods doescape, the loss will not exceed 1% of the totalrun-off. OS-3/.SOO,000 /ODWO 02-4- 4SSOSO-S2 -^lOO /,7OO,ffO0-
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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:57
  • bookcollection:cornell
  • bookcollection:americana
Flickr posted date
InfoField
29 July 2014



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