Z14211820 USGS H14211820 4538211224543004141051SW17090012 1.53 N14211820 COLUMBIA SLOUGH AT PORTLAND, OR Y14211820 314211820 19900128 15701C 12.65 314211820 19910620 4241C 12.67 314211820 19920223 3661C 10.31 314211820 19921210 3401C 13.16 314211820 19940227 3271C 8.82 314211820 19941027 5601C 13.12 314211820 19951205 240012C 27.26 314211820 19970105 20801C 23.04 314211820 19980602 3941C 15.10 314211820 19990301 9561C 15.43 314211820 19991128 4971C 12.76 314211820 20001215 3071C 7.53 314211820 20020210 3111C 7.01 2 13.20 314211820 20030204 8731C 11.18 2 14.29 314211820 20040201 4221C 10.32 2 10.88 314211820 20041219 3311C 6.04 2 10.18 314211820 20060115 11901C 14.40 2 15.39 314211820 20061111 5021C 8.56 2 12.23 314211820 20080608 5071C 13.90 2 15.01 314211820 20090111 4211C 10.43 2 14.25 314211820 20100614 8541C 12.77 2 14.66 314211820 20110408 8751C 13.06 2 17.37 314211820 20120405 12701C 14.62 2 15.89 314211820 20130723 15601C 7.14 2 10.49 314211820 20140713 15302C 7.70 12 13.34 314211820 20141224 1330C 9.55 12 11.16 314211820 20151223 1660C 10.01 12 12.50 314211820 20170407 2760C 13.94 12 17.55 314211820 20180529 1690C 13.83 12 15.76 314211820 20190413 2320C 13.83 12 15.57 314211820 20200819 1440C 4.98 12 12.05