USGS Visual Identity

Study-unit Survey, 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            252505080302501     01/28/98      95        4.1        16         18         28
        2            252624080302901     01/28/98      94        4.1        20         15         34
        3            252716080290601     01/27/98      89        5.5        23         8.1        37
        4            252842080290501     01/27/98      86        6.6        25         7.5        39
        5            252940080261204     01/29/98      100       3.5        14          8         23
        6            252951080251201     01/29/98      100       3.1        14         7.8        24
        7            254131080234401     02/11/98      72        3.1        26         3.8        39
        8            254156080214601     02/10/98      84         5         29         1.7        42
        9            254201080281701     02/11/98      58        7.4        31         2.6        45
        10           254207080202201     02/10/98      87        3.8        25         1.8        37
        11           254938080170902     02/09/98      69        3.5        23         3.1        33
        12           254958080171601     02/12/98      75        6.6        33         2.3        43
        13           255052080245001     03/18/98      77        6.5        38        0.67        57
        14           260053080144701     02/12/98      79        4.7        12         1.7        17
        15           260223080143301     03/16/98      86        4.5        19         1.3        29
        16           260234080211701     01/26/98      110       8.5        27        0.74        44
        17           260322080162103     03/17/98      97        6.9        42         2.5        67
        18           260332080182101     03/17/98      120       8.5        32         8.3        55
        19           260539080155101     03/12/98      96        4.3        18        0.98        28
        20           260738080162701     03/09/98      120       3.8        28         1.5        57
        21           261028080154901     03/12/98      88        5.9        29         2.8        42
        22           261158080151301     03/11/98      93         4         31          2         49
        23           261404080100601     03/10/98      100       3.1        20         3.3        29
        24           261533080141101     03/11/98      130       3.8        37         1.7        55
        25           261830080073101     03/10/98      85        2.6        17         2.1        27
        26           262156080063601     01/22/98      87        2.6        16         1.4        31
        27           262649080053801     01/21/98      80         3         21         3.8        34
        28           262858080083901     01/22/98      95        2.8        25         1.4        50
        29           263638080040301     01/21/98      80        2.5        22        0.59        40
        30           263656080121901     01/20/98      120       4.9        40         2.5        56

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