00361nam a2200097 450000100070000000500170000700800360002410000470006024501130010726400430022001282120260807101710.0260101s2003 pe 000 0 eng d1 aDavid Topping ; John Schmidt ; L.E. Vierra10aComputation and Analysis of the Instantaneous-Discharge Record for the Colorado River at Lees Ferry, Arizona 1aVirginiabU.S. Geological Surveyc2003