Z05011500 USGS H05011500 4857171135359003030035SW0904000261.8 4200 N05011500 Waterton River near international boundary Y05011500 305011500 19480523 2510 6.30 305011500 19490528 1890 5.61 305011500 19500622 2560 6.36 305011500 19510616 2190 5.94 305011500 19520606 1520 5.14 305011500 19530613 2520 6.31 305011500 19540520 2710 6.51 305011500 19550623 2260 6.02 305011500 19560602 2360 6.13 305011500 19570604 1870 5.57 305011500 19580524 1850 5.54 305011500 19590615 2160 5.91 305011500 19600617 2020 5.74 305011500 19610527 2520 6.31 305011500 19620618 1440 5.04 305011500 19630610 1840 5.53 305011500 19640608 12400 11.55