Laserfiche WebLink
<br />.. " I <br /> <br />. .....' <br />.' .' <br /> <br />Colorado River Compact Symposium <br />James S. Lochhead <br />Page 22 <br /> <br />1963. Forty-Eighth Annual Report of the upper Colorado <br />River commission, Salt Lake City Utah, September 3D, <br />1996. For the twelve-year period 1953-64, the average <br />annual virgin flow at Lee Ferry was only 11.6 maf. <br />3. Tree ring analysis, The Lowest ten-year reconstructed <br />record was for the period 1584-1593. <br />4. As used by the Lower Colorado Region, Bureau of <br />Reclamation, informal communication. <br />5. Report of Delph E. Carpenter, December IS, 1922. <br />6. upper Colorado River States Depletion Schedule, 1994. <br />Upper Colorado River Commission. <br />7. Comments to Congress on the Colorado River Compact, <br />Commissioner of Reclamation Arthur powell Davis, Congo <br /> <br />Rec., January 3D, 1923, pp. 2713-2717. <br /> <br />8. The Estimate of 1997 Colorado Water Use, U.S. Bureau of <br />Reclamation, April 3D, 1997, estimates total Lower Basin <br />mainstem use of 8.0 maf for 1997. However, 1997 is a <br />year of declared surplus. Under a normal year, Lower <br />Basin mainstem uses are limited to 7.5 maf/yr. <br />9. The Bureau of Reclamation Consumptive Uses and Losses <br />Report, 1981-1985, shows total Lower Basin reservoir <br />evaporation of about 1.0 maf/yr. However, current <br />accounting of the Lower Colorado Region of-the Bureau of <br />Reclamation estimates 1.8 maf/yr., informal <br />communication. <br />