USGS Visual Identity

Urban Land-use, Background Wells, Anions and Cations 1

                                                                                    
                                                   MAGNE-            POTAS-   CHLO- 
                                         CALCIUM    SIUM,  SODIUM,    SIUM,   RIDE, 
                                          DIS-      DIS-    DIS-      DIS-    DIS-  
                                          SOLVED   SOLVED  SOLVED    SOLVED   SOLVED
WELL NUMBER   STATION NUMBER     DATE     (MG/L    (MG/L    (MG/L    (MG/L    (MG/L 
                                          AS CA)   AS MG)   AS NA)   AS K)    AS CL)
                                         (00915)  (00925)  (00930)  (00935)  (00940)
             
     1       260728080205002   11-14-96    100      6.6      26       1.2      36   
     2       260938080190101   02-10-97    130      3.7      12       1.8      27   
     3       261541080112701   12-12-96    120      3.9      32       2.4      45   

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