Z15294450 USGS H15294450 6106311511507000202122SW19020601132 160 N15294450 CHUITNA R NR TYONEK AK Y15294450 315294450 19760920 3570 8.49 2 10.97 315294450 19770921 4400 9.50 315294450 19780524 1940 6.90 2 9.33 315294450 19790924 3310 8.21 315294450 19791111 4700 9.87 315294450 19810812 3700 8.63 315294450 19820915 4800 10.07 315294450 19830929 3520 8.43 315294450 19840607 2530 7.44 315294450 19850927 4020 9.01 315294450 19860908 3390 8.26 315294450 19861010 100008 16.46