Z05487540 USGS H05487540 4136030931744001919099SW071000086.78 826.33 N05487540 Walnut Creek near Prairie City, IA Y05487540 305487540 19960524 1000 9.00 305487540 19970218 301 6.44 305487540 19980618 1350 9.66 305487540 19990812 850 8.70 305487540 20000531 659 8.25 305487540 20010614 213 5.15 305487540 20020612 329 6.82 305487540 20030508 259 5.84 305487540 20040711 281 6.16 305487540 20050512 675 8.29