Z15875000                       USGS 
H15875000       6921371520721000202185SW1906030313860         206.8             
N15875000       COLVILLE R AT UMIAT AK
Y15875000       
315875000       20020526 2120009              58.60                      
315875000       20030610 2130009              58.62   2             58.68
315875000       20040524 2220009              58.86                      
315875000       20050608 1610009              57.17                      
315875000       20060530 1730009              57.40                      
315875000       20070605 1830009              57.64                      
315875000       20080528 1080009              55.30                      
315875000       20090607 1520009              56.86                      
315875000       20100601 1930009              57.88                      
315875000       20110529 2300009              59.05                      
315875000       20120602 1770009              57.50                      
315875000       20130604 2430009              59.38                      
315875000       20140531 1950009              58.15                      
315875000       20150521 2680009              59.94                      
315875000       20160525 1930009              58.10                      
315875000       20170819  82000               54.02   2             54.52
315875000       20180601 1120009              55.56                      
315875000       20190525 1350009              56.32                      
315875000       20200527 1490009              56.82                      
315875000       20210701 118000               55.66                      
315875000       20220603 1620009              57.25                      
315875000       20230829 139000               56.45