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<br /> SALINITY <br /> Parts per Million <br /> Colorado River <br />[ Imperial Dam "''''Intake Canal, Morelos Dam Yuma Main Drain <br />I At Boundary <br /> Pumping Plant <br /> (From USBR Progress (From IB&WC and USGS) (From IB&WC) <br />I Report Nos. 4 and 5) Conductivity x .674 Conductivity x .674 <br /> Annual Average for No. of Max Daily Min Daily <br /> Avera~e Max Month Samples and Date Avera~e and Date Average <br />I <br />1941 786 889 <br /> 1942 794 816 <br />I 1943 691 720 <br />1944 698 750 <br /> 1945 693 735 <br />I 1946 698 728 <br />1947 713 750 <br />1948 684 713 <br /> 1949 647 684 <br />I 1950 661 698 <br />1951 706 728 <br /> 1952 668 735 <br />I 1953 691 742 <br />1954 735 772 <br /> 1955 838 948 <br />I 1956 918 963 <br />1957 860 1000 <br />1958 742 786 <br /> 1959 750 772 <br />I 1960 779 845 <br />1961 823 867 "'175 3033 11/22 1613 1060 '7/23 <br /> 1962 816 867 365 3067 2/17 1739 944 3/28 <br />I 1963 794 831 365 2865 10/1 1559 843 9/18 <br />1964 823 933 365 3100 11/2 1636 1213 1/19 <br /> 1965 919 963 """258 2372 11/28 1570 869 12/21 1773 <br />I 1966 897 963 349 1752 4/19 1411 917 12/16 1773 <br />1967 845 992 364 1645 8/27 1382 890 9/3 1749 <br />1968 845 919 363 1645 3/17 1307 876 7/9 1742 <br /> 1969 882 365 1557 1/20 1290 949 1/17 1715 <br />I 1970 897 365 1429 8/3 1242 991 2/12 1719 <br />1971 880 365 1409 1/6 1274 883 10/1 1685 <br />I <br /> "'Spot samples June 1 to Oct 24; daily samples Oct 25 - Dee 31, 1961 <br /> """Samples 1961 and 1965-71 taken at Northern Boundary <br /> <br />Figure 13a <br />