Water Supply and Irrigation Papers of the United States Geological Survey . 0/ 8-1 **> 1 iC 7/ * / SI / Si i 1 © / ^7 / ^ / f/ > • © / 0 2> / • n 9 /. • / / O <2 7 © O / 0© /n ®© / / 020 5 o 9 © /_ © * § ,e i 9 • O © 0 © Loup Niobrara Elkhorn North Piatte Republican (Large circles indicate mean values) Figure 5.—Relation of rainfall to run-off in Nebraska. solely by snowfall in the mountains, as the precipitation for thepreceding winter was far below the normal. The relation between annual run-off and annual precipitation hasbeen graphically expressed by F. H. Newell in the form of
Water Supply and Irrigation Papers of the United States Geological Survey . 0/ 8-1 **> 1 iC 7/ * / SI / Si i 1 © / ^7 / ^ / f/ > • © / 0 2> / • n 9 /. • / / O <2 7 © O / 0© /n ®© / / 020 5 o 9 © /_ © * § ,e i 9 • O © 0 © Loup Niobrara Elkhorn North Piatte Republican (Large circles indicate mean values) Figure 5.—Relation of rainfall to run-off in Nebraska. solely by snowfall in the mountains, as the precipitation for thepreceding winter was far below the normal. The relation between annual run-off and annual precipitation hasbeen graphically expressed by F. H. Newell in the form of a set ofcurves, now known as the Newell curves. These curves are repro-duced in figure 5, on which are also platted the run-off in inches asmeasured at gaging stations on Elkhorn River at Norfolk, NiobraraRiver near Valentine, Loup River at Columbus,, North Platte Riverat North Platte, and Republican River at Bostwick, with the corre-sponding precipitation in inches on their drainage basins, taken U. S. GEOLOGICAL SURVEY WATER-SUPPLY PAPER 230 PLATE.
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