Z06605750 USGS H06605750 4258210950940001919041SW1023000378.6 N06605750 Willow Creek near Cornell, IA Y06605750 306605750 19660602 1150 88.86 306605750 19670616 1200 88.98 306605750 19680923 540 86.99 306605750 19690625 3700 91.35 306605750 1970 3604Bm 306605750 19710606 1600 89.57 306605750 19720627 740 87.08 306605750 19730823 1130 88.54 306605750 19740515 800 87.48 306605750 19750428 1650 89.45 306605750 1976 2404Bm 306605750 1977 2404Bm 306605750 19780912 1080 88.23 306605750 19790322 4200 91.49 306605750 19800605 1500 89.35 306605750 1981 2404Bm 306605750 19820709 1800 89.92 2 90.52 306605750 19830620 2700 90.87 306605750 19840617 2100 90.37 306605750 19850422 620 85.72 306605750 19860429 1100 88.23 306605750 1987 3404Bm 306605750 1988 3404Bm 306605750 1989 3404Bm 306605750 1990 3404Bm 306605750 19910414 457 85.44 306605750 19920726 2960 91.00 306605750 19930328 2370 90.61 306605750 1994 3404Bm 306605750 1995 3404Bm 306605750 19960324 417 85.18 306605750 19970319 793 87.17 306605750 1998 3404Bm 306605750 19990606 386 84.97 306605750 2000 3404Bm 306605750 20010507 1100 88.28 306605750 2002 3404Bm 306605750 20030625 1070 89.28 306605750 20040916 1460 90.68 306605750 20050513 469 85.51 306605750 20060409 564 87.10 306605750 20070506 1850 91.39 306605750 20080613 1270 90.11 306605750 20090210 8382 88.60 1 306605750 20100627 3280 94.30 306605750 20110715 1060 89.47 306605750 2012 3524Bm 306605750 20130527 1750 91.15 306605750 20140616 916 88.98 306605750 20150819 302 85.29 306605750 20151214 1040 88.04 306605750 20161005 599 87.31 306605750 20180920 6790 94.09 306605750 20190314 40502 92.84 1 306605750 2020 8824Bm 87.29 4Bm 306605750 2021 8844Bm 87.30 4Bm 306605750 2022 8834Bm 87.30 4Bm 306605750 20230227 1100 88.36