Z05421200 USGS H05421200 4228110914701001919019SW0708010228.3 940 N05421200 Pine Creek near Winthrop, IA Y05421200 305421200 19500921 14500 21.70 305421200 19510602 10600 18.74 305421200 19520310 1090 13.47 305421200 19530220 1070 13.43 305421200 19540430 650 12.35 305421200 19550220 590 12.19 305421200 1956 4404Bm 305421200 19570617 990 13.27 305421200 1958 4404Bm 305421200 19590625 1360 13.94 305421200 19600330 2450 15.17 305421200 19610305 800 12.82 305421200 19620505 5030 16.68 305421200 19630318 962 13.17 305421200 19640403 803 12.78 305421200 19650402 1940 14.69 305421200 19660612 3050 15.61 305421200 19670607 532 11.95 305421200 19680717 24200 22.98 305421200 19690718 2500 15.45 305421200 19700302 2500 15.47 305421200 19710313 1000 13.34 305421200 1972 3604Bm 305421200 19730508 1320 13.94 305421200 19740303 800 12.83 305421200 19750321 1600 14.32 305421200 19760313 600 12.25 305421200 1977 3604Bm 305421200 19780617 617 12.28 305421200 19790618 979 13.31 305421200 19800316 1000 13.36 305421200 19810426 1140 13.62 305421200 19820522 860 13.04 305421200 19821112 560 12.09 305421200 19840709 788 12.83 305421200 19850223 775 12.79 305421200 19860310 460 11.66 305421200 19870821 495 11.81 305421200 1988 3204Bm 305421200 1989 3204Bm 305421200 19900825 2670 15.63 305421200 19910413 1820 14.65 305421200 1992 3204Bm 305421200 19930711 2120 15.02