USGS Visual Identity

Urban Land-use 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       260056080144501   03-12-97     73      1.8      1.9      1.0       4.2 
     2       260111080171201   11-25-96     96      4.1     18        1.9      23   
     3       260113080173601   12-18-96    130      4.0     10        4.2      15   
     4       260113080173602   12-18-96    120      5.7     17         .90     33   
     5       260202080230702   03-12-97    140      3.0      3.0       .40      4.9 
     6       260243080181401   11-19-96    130      3.6     11        3.0      20   
     7       260305080184201   11-18-96    140      4.4     23        5.4      30   
     8       260654080153401   11-26-96    100      2.2      8.6      7.3       8.6 
     9       260708080223501   02-11-97    120     12       66        5.9      86   
    10       260709080222301   02-12-97    160      9.4     81        5.1     130   
    11       260710080212101   03-10-97    140      8.1     10        5.4      13   
    12       260712080151001   12-11-96    120      6.9     37         .90     38   
    13       260739080162501   11-26-96    100      2.7     21        8.9      30   
    14       260742080145401   12-12-96    150      3.1     29        1.2      35   
    15       260755080191701   02-13-97    140      3.6     15       13        17   
    16       260822080163001   11-19-96     87      1.6      9.0      2.3      15   
    17       260825080144402   03-11-97    110      2.1      3.6      2.0       3.5 
    18       261019080154301   04-01-97     80     12       47        3.3      75   
    19       261032080154701   04-01-97     98     15       45        3.8      67   
    20       261153080151601   12-17-96     72      7.5     43        3.9      80   
    21       261157080152001   12-17-96     82      3.9     22        3.5      32   
    22       261246080161701   11-21-96    140      2.9     15        2.0      24   
    23       261304080170801   11-20-96    140      3.1     18        1.2      28   
    24       261416080141601   12-11-96    100      4.9      4.2      3.0       5.8 
    25       261416080154001   11-21-96    160      8.6     22        7.4      42   
    26       261525080165101   12-10-96    120      1.5     19        1.0      22   
    27       261538080141601   12-16-96    120      1.8      1.9       .90      3.2 
    28       261554080164601   11-20-96     93      1.6      8.7      2.5      13   
    29       261554080164602   11-20-96    160      2.9     23         .70     60   
    30       261558080153101   03-31-97     76       .58    10        2.0       3.2 
    31       261653080144601   03-13-97     36       .56     6.4       .90      8.3 
    32       261714080130101   12-10-96    130      5.0     21        8.5      25   

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