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WATER CHEMISTRY AND WATER QIIALITY <br />Water samples from our study stations were analyzed for two <br />purposes; (1) to determine whether any elements occurred in <br />concentrations that may be harmful to wildlife, and (2) to <br />determine the patterns of water sources in the study area. In <br />general study area waters are either sodium or calcium sulfate <br />type water. <br />Conductivity of surface and ground water on 29 June 1993 is <br />shown in Figure 10. Conductivities range from near 400 µS cm'2 <br />for river and backwater stations to more than 4,000 uS cm'2 for <br />ground water stations. Two groundwater stations have <br />conductivities of approximately 20,000 µS cm'2 or higher. Even <br />stations that were spatially close to the River, such as 8, 5, <br />and 6, had high conductivity surface and ground water. <br />ESCALANTE STATE WILDLIFE AREA ON THE GUNNIS0N RIVER <br />~- N <br />old river charnel <br />1, 000 feel <br />1 CONDUCTIVITY uS/cm2 <br />on 29 June 1993 <br />irrigation return <br />river charnel ~ 6ackwaier <br />20 4700 800 <br />25300 g060 3 47 <br />600 21 <br />irrigation rat~rn <br />4 0 <br />Gurnison River <br />3380 <br />13701465 <br />twckwater 281 1190 p O Q <br />1590 <br />650 Ponce <br />escorprt~N ~-- Roubldeau Cr°°k <br />Figure 10. Conductivities (µS cm2) of surface and ground water <br />in the study area. Elevations are presented by solid squares (~) <br />and conductivity by crosses (+). <br />17 <br />