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<br /> 240,000 <br /> 220,000 <br /> 200,000 <br />0 180,000 <br />z <br />0 <br />0 160,000 <br />w <br />en <br />0:: <br />lU 140,000 <br />tL <br />I- <br />lU <br />lU <br />LL 120,000 <br />0 <br />iii <br />::> 100,000 <br />0 <br />z <br />LLi 80,000 <br />CD <br />0:: <br /><( <br />I <br />0 60,000 <br />en <br />(5 <br /> 40,000 <br /> 20,000 <br /> 0 <br /> 5 <br /> <br />SECOND REVERSAL IN CURVATURE <br />IMPOSED BY GATEWOOD AND HUNTER <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />t <br /> <br />~ <br /> <br /> <br />REVERSAL IN CURVATURE <br /> <br />10 15 20 25 30 <br />STAGE MEASURED AT THE LEES FERRY GAGE, IN FEET <br /> <br />EXPLANATION <br />o WATER-YEAR 1921-22 DATA AT LEES FERRY <br /> <br />o ORIGINAL PUBLISHED PEAK DISCHARGE OF THE JUNE 1921 FLOOD <br />AT THE TOPOCK GAGING STATION <br />SMOOTHED CURVE FIT TO WATER-YEAR 1921-22 LEES FERRY DATA <br />- - LEES FERRY RATING CURVE OF GATEWOOD AND HUNTER <br /> <br />II RANGE OF UNCERTAINTY IN THE PEAK DISCHARGE OF THE JUNE 1921 <br />FLOOD AT THE YUMA GAGING STATION <br /> <br />35 <br /> <br />. PROBABLE COMBINED DISCHARGE OF THE UPPER COLORADO, <br />GREEN, AND SAN JUAN RIVERS CONTRIBUTING TO THE PEAK DISCHARGE <br />OFTHE JUNE 1921 FLOOD AT LEES FERRY <br /> <br />Figur. 7. Comparison of the stage.discharge rating curve defined by the discharge measurements made during water.years 1921-22 <br />with the revised stage.discharge rating curve of Gatewood and Hunter (unpublished U,S, Geologicai Survey report, 1938), Though their <br />revised curve plotted slightly high relative to the measurements at stages of 18 to 20 feet, they corrected for this in their revision of the <br />1922-26 data by usin9 the shlfting.control method, Also shown are: the original published peak June 22, 1921, discharge o1the <br />Colorado River at the T opock gaging station; the peak June 27, 1921, discharge (with uncertaintyl o1the Colorado River a1the Yuma <br />gaging station; and the probable combined discharge o1the upper Colorado, Green, and San Juan Rivers contributing to the June 18, <br />1921, peak at lees Ferry, <br /> <br />.1'!~" <br /> <br />20 Computation and Analysis of the Instant8neous~Discharge Record for the Colorado River at Loes Ferry, Arizona-May 8, 1921, through September 30, 2000 <br />