Publisher's Synopsis
Excerpt from Report of Progress of Stream Measurements for the Calendar Year 1904, Vol. 7: Hudson Bay, Minnesota, Wapsipinicon, Iowa, Des Moines, and Missouri River Drainages
The selection Of the site for a gaging station and the length of time the station is maintained depend largely upon the needs of each local ity. If the stream is to be used for water power, special efforts are made to Obtain information concerning the low - water ?ow. If water Is to be stored, the high waters are given special attention. In all sec tions certain permanent stations are maintained for general statistical purposes to Show the conditions which exist through long periods. They also act as primary stations, and are used in connection with short series of measurements to determine the ?ow in particular por tions Of the drainage basin.
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