USGS Visual Identity

Urban Land-use, Background Wells, Anions and Cations 2

                                                                            SOLIDS,
                                                  FLUO-   SILICA,           RESIDUE
                                        SULFATE   RIDE,    DIS-    BROMIDE  AT 180 
                                         DIS-      DIS-    SOLVED    DIS-    DEG. C
                                         SOLVED   SOLVED   (MG/L    SOLVED    DIS- 
WELL NUMBER   STATION NUMBER     DATE    (MG/L    (MG/L     AS      (MG/L    SOLVED
                                        AS SO4)   AS F)    SIO2)    AS BR)   (MG/L)
                                        (00945)  (00950)  (00955)  (71870)  (70300)
             
     1       260728080205002   11-14-96   21       .30      6.5      .030     410  
     2       260938080190101   02-10-97   18       .30      5.6       --      401  
     3       261541080112701   12-12-96   15       .30      8.2       --      459  

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