Geological Survey Water-supply Paper, Volumes 242-245

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U.S. Geological Survey, 1909 - Irrigation
 

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Page 1 - Survey, and the classification of the public lands and examination of the Geological Structure, mineral resources and products of the national domain...
Page 7 - Second-feet per square mile" is the average number of cubic feet of water flowing per second from each square mile of area drained, on the assumption that the run-off is distributed uniformly both as regards time and area. "Run-off...
Page 14 - March 23, 1901). 1 second-foot equals 38.4 Colorado miner's inches. 1 second-foot equals 40 Arizona miner's inches. 1 second-foot equals 7.48 United States gallons per second; equals 448.8 gallons per minute; equals 646,272 gallons for one day.
Page 8 - British imperial gallons per second. 1 second-foot for one year covers 1 square mile 1.131 feet or 13.572 inches deep. 1 second-foot for one year equals 31,536,000 cubic feet. 1 second-foot equals about 1 acre-inch per hour. 1 second-foot for one day covers 1 square mile 0.03719 inch deep.
Page 1 - ... second-feet per square mile, and (2) those which represent the actual quantity of water, as run-off in depth in inches and acre-feet. They may be defined as follows: "Second-foot...
Page 2 - States gallons equal 3.07 acre-feet. 1,000,000 cubic feet equal 22.95 acre-feet. 1 acre-foot equals 325,850 gallons. 1 inch deep on 1 square mile equals 2,323,200 cubic feet. 1 inch deep on 1 square mile equals 0.0737 second-foot per year. 1 foot equals 0.3048 meter. 1 mile equals 1 .60935 kilometers.
Page 7 - Cubic feet per second per square mile (cfsm) is the average number of cubic feet of water flowing per second from each square mile of area drained, assuming that the runoff is distributed uniformly in time and area. Runoff in inches...
Page 64 - North Carolina and a portion of South Carolina to its junction with the Congaree. In North Carolina and also that part of its course in South Carolina above Wateree Creek, it is known as Catawba River. The Congaree...
Page 7 - Second-foot" is an abbreviation for cubic foot per second and is the rate of discharge of water flowing in a stream 1 foot wide, 1 foot deep, at a rate of 1 foot per second. It is generally used as a fundamental unit from which others are computed by the use of. the factors given in the following table of equivalents. "Gallons per minute" is generally used in connection with pumping and city water supply. The. "miner's inch...
Page 10 - Maximum" gives the mean flow, as determined from the rating table, for the day when the mean gage height was highest. As the gage height is the assumed mean for the day, it does not indicate correctly the stage when the water surface was at crest height and the corresponding discharge was consequently larger than given in the maximum column. Likewise, in the column headed...

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