TY - RPRT TI - Computation and analysis of the instantaneous-discharge record for the Colorado River at Lees Ferry, Arizona — May 8, 1921, through September 30, 2000 AU - David J. Topping AU - John C. Schmidt AU - L. E. Vierra PY - 2003 DO - 10.3133/pp1677 UR - https://pubs.usgs.gov/publication/pp1677 ID - pp1677 ER -