. 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 . 902-1903 4,690 1903-1904 17,800 1904-1905 7,420 The actual run-off quantities from the UpperPescadero are as follows: 1899-1900 2,655 M. G. 1900-1901 9,178 1901-1902 5,658 1902-1903 . 4,507 1903-1904 9,742 1904-1905 7,395 As the total catchment area that involves thegravity flow conduit is square miles, thetotal run-off was taken as approximately the actual run-off of the Upper Pescaderocatchment area. The actual quan


. 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 . 902-1903 4,690 1903-1904 17,800 1904-1905 7,420 The actual run-off quantities from the UpperPescadero are as follows: 1899-1900 2,655 M. G. 1900-1901 9,178 1901-1902 5,658 1902-1903 . 4,507 1903-1904 9,742 1904-1905 7,395 As the total catchment area that involves thegravity flow conduit is square miles, thetotal run-off was taken as approximately the actual run-off of the Upper Pescaderocatchment area. The actual quantities of run-off, conduit flow and overflow are as follows: Season Run-off Overflow ConduitFlow 1899-1900. . .. 6,625 3,640 2,985 1900-1901. . . 7,580 14,370 1901-1902. . . 14,150 9,175 4,975 1902-1903. . . 11,250 4,690 6,560 24,350 17,800 6,550 1904-1905. . . 18,490 7,420 11,070 For expanding over a period of 23 years arate of run-off per square mile was used de-pending upon the seasonal rate of rainfall, ap-plied to its respective curve as shown on PlateG--2. This value multiplied by the total area of ^ ?^ <\1. ?s-uo//o£) UO///I/A/ puosnoqj[_ 440


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Keywords: ., bookcentury1900, bookdecade, booksubjectwatersupply, bookyear1912