Z05481680 USGS H05481680 4202040940846001919015SW0710000438.50 N05481680 Beaver Creek at Beaver, IA Y05481680 305481680 19660612 720 88.87 305481680 19670613 580 88.56 305481680 19680625 660 88.74 305481680 19690326 710 88.84 305481680 19700513 640 88.66 305481680 19710219 3202 88.94 1 305481680 19720801 900 88.82 305481680 19730310 920 88.85 305481680 19740528 1100 89.07 305481680 1975 1204Bm 305481680 19760523 235 86.87 305481680 19770808 860 88.67 305481680 19780912 720 88.39 305481680 19790319 19502 89.99 305481680 1980 1204Bm 305481680 1981 1204Bm 305481680 19820805 1100 89.05 305481680 19830307 570 88.07 2 89.28 305481680 19840502 760 88.50 305481680 1985 1204Bm 305481680 19860630 1500 89.56 305481680 19870415 273 86.02 305481680 1988 1204Bm 305481680 1989 1204Bm 305481680 19900616 1790 89.87