HYDROGRAPHIC WORK OF U. S. GEOLOGICAL SURVEY .'525 



orcliards and for regulating the streams used for water-power and for industrial 

 purposes. The State Legislature at its last session made an ai^propriation for 

 investigating this subject, but the act failed to become a law. ]'>y private sulj- 

 scription, however, considerable suins have been raised for ooopeiation with 

 the U. S. Geological Survey in carrying forward the examinations of reservoir 

 sites and measurements of 

 streams, notably on the 

 headwaters of King River 

 and in adjacent portions of 

 the high Sierras. 



In Montana the necessity 

 for water storage for the fur- 

 ther development of irriga- 

 tion and power has been ap- 

 preciated, and requests have 

 been made for the examina- 

 tion of various natural basins 

 suitable for holding floods. 

 In particular the lieadwaters 

 of Milk Rivei' have attracted 

 attention, because these 

 streams floM' northerly into 

 Canada, where, uniting, their 

 waters return to the United 

 States. It has long been the 

 desire of the people of Mon- 

 tana to save the flood waters 

 and carry them by suitaljle 

 canals out upon the arid 

 lands east of the moun- 

 tains, instead of allowing 

 them to flow northerly 

 across tlie international 

 boundary. 



In the Southern .\ppalachian area, especially in Georgia and Alabama, many 

 cotton mills are being constructed which derive their power from tiie rapid 

 Htreams. This pre.sents another task fur the Ilydrogra})hic Division. Sy.steni- 

 atic measurements of the streams are needed to determine the low- water How 

 and the possible minimum power from eacii iiiiportaiit liver. Throughout the 

 entire mountain area typical streams are being measured. Also in the arid 

 west, from Central Kansas to the Pacific Ocean, the measurements of i^cores of 

 streams are being contimied in order to complete the plans for the vast system 

 of water storage that will ultimately increase by one-third the fertile area of 

 the I'nited States. Tlie artesian conditions in the arid west, in the liiack Hills 

 in Wyoming and South Dakota, are another subject of study. 'I'lie sum of 

 $H)f),000 was voted by Congress for the hydrographic work of the H. S. (Jeo- 

 logical Survey during the current fiscal year, 'i'liis is double the :uii<iuiit nppio- 

 priated for the purpose last year. 





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