Z05461390 USGS H05461390 4254260924314001919067SW07080202124 965 N05461390 Flood Creek near Powersville, IA Y05461390 305461390 19960617 574 6.59 305461390 19970311 848 7.62 305461390 19980628 1130 8.49 305461390 19990721 190002 12.57