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<br />. <br /> <br />I-' <br />o <br />-..t <br />t,..'1 <br /> <br />. <br /> <br />. <br /> <br />EVALUATIONS OF EXISTING SALINITY CONDITIONS (continued) <br /> <br />1951. <br />nearby <br /> <br />The records have been el<tended back to 1941 by corre lat ion wi th <br />stations. <br /> <br />Green River near Greendale, Utah (Station No.2). Flow measurements <br />or comparable data are available for this station for the report period, <br />but chemical quality data are available only for the years 1957 through <br />1978, inclusive. Extensive correlations with other available records on <br />the Green River system were employed to develop estimates for dissolved <br />solids. <br /> <br />Yampa River near Maybell, Colorado (Station No.3). Flow measurements <br />for this station are recorded for the entire report period, but water <br />quality data are available only from November 1950 through August 1973 and <br />from July 1975 to the current year. The quality data for the missing <br />periods, prior to 1978 were estimated by correlation with flow measure- <br />ments, in 1978 the missing data were correlated with the quality data from <br />the Yampa River below Craig Colorado Station. For 1978 the quality data <br />were estimated by correlation with quality measurements at the Yampa River <br />below Craig, Colorado. <br /> <br />Duchesne River near Randlett, Utah (Station No.4). Flow records have <br />been obtained continuously since 1943, and quality data are available for <br />1951 and 1957 through 1977. Correlations with other stations in the <br />Duchesne River system were employed to estimate the data for the missing <br />period. In 1978 the missing quality data were estimated by correlation <br />with flow measurements. <br /> <br />White River near Watson, Utah (Station No.5). Flow data are avail- <br />able for the ent ire report period, and qual i ty data are recorded cont in- <br />uously from December 1950. Correlation with flow measurements were used to <br />extend the quality data back to January 1941. <br /> <br />San Rafael River near Green River, Utah (Station No.7). Correlations <br />were used to estimate flow at this gage from 1941-45 after which measure- <br />ments of flow were available. Quality sampling started in 1946 and is <br />complete for the remainder of the study period except for 1950. Extensions <br />of available data provided satisfactory estimates of quality for the <br />missing years. <br /> <br />Colorado River near Glenwood Springs, Colorado (Station No.8). <br />relations were used to estimate the quality data for the 1941 year <br />to October 1. Quality records are available after October 1, 1941. <br />records are available for the entire period of study. <br /> <br />Cor- <br />prior <br />1'10w <br /> <br />Dolores River near Cisco, Utah (Station No. 11). Flow records from <br />January 1951 and quality records from March 1951 are available at this <br />station. Plow records from January 1941 to December 1950 and quality <br />records from October 1947 to February 1951 for the Dolores River at Gate- <br />way, Colorado, 21 miles (34 km) upstream, were used without modification <br /> <br />39 <br />