Z12301997 USGS H12301997 4815301151159003030053SW170101029.48 2720 N12301997 Richards Creek near Libby MT Y12301997 312301997 1973 5.00Bm 0.31 Bm 312301997 19740426 49.0 1.11 312301997 19750514 36.0 0.95 312301997 19760511 24.0 0.90 312301997 19770425 1.00 0.10 312301997 19780331 8.00 0.53 312301997 19790506 21.0 0.95 312301997 19800614 52.0 0.96 312301997 19810522 20.0 0.68 312301997 19820518 64.0 1.57 312301997 19830425 56.0 1.11 312301997 19840521 4.00 0.39 312301997 19850607 100 1.30 312301997 19860331 35.0 0.95 312301997 19870418 15.0 0.73 312301997 19880407 10.0 0.63 312301997 19890422 23.0 1.06 312301997 19900530 37.0 1.47 312301997 19910518 33.0 1.36