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03269500 Mad River near Springfield , OH LOCATION.-- Lat 39°55'23", long 83°52'13", Clark County, OH, Hydrologic Unit 05080001, on right bank 150 ft downstream from Rock Run, 300 ft downstream from bridge on Lower Valley Pike, 2 mi downstream from Buck Creek, 3 mi west of Springfield, and at mile 24.1 DRAINAGE AREA.-- 490 mi2. PERIOD OF RECORD.-- January 1904 to March 1906 (fragmentary), February 1914 to current year. Monthly discharge only for some periods, published in WSP 1305.. REVISED RECORDS.-- WSP 603: 1924. WSP 823: 1929(M). WSP 1305: 1914(M), 1916-17(M), 1922-23(M), 1925(M). WSP 1625: 1924(M). WSP 1908: Drainage area. REMARKS.-- Some regulation by C.J. Brown Reservoir, 8.3 mi upstream on Buck Creek, since 1972. Occasional low-flow regulation by powerplant 2.3 mi upstream; daily flows are not affected appreciably. Water-quality data formerly collected at this site. EXTREMES OUTSIDE PERIOD OF RECORD.-- Flood of Mar. 25, 1913, reached a stage of 16.9 ft, present datum; discharge, 55,400 ft3/s computed by Miami Conservancy District
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Value May 29