Kansas Geological Survey, Open-file Report 88-39
Great Plains and Cedar Hills Aquifers--Table 4

 Ca      Mg   Na + K  HCO3    SO4    CI
% of    % of   % of   % of   % of   % of
meq/L   meq/L  meq/L  meq/L  meq/L  meq/L  Formation   Depth     Location
--------------------------------------------------------------------------
 2.01   11.33  86.64   0.92  14.54  84.53   Permian   710-732  13S 15W 35BD
 2.12    3.99  93.88   8.50  11.20  80.29  U.Dakota   225-233  13S 14W 32BC
 2.43    3.93  93.63   8.58  11.08  80.32  L.Dakota     303    "   "   "
 3.26    5.15  91.21   4.99  10.78  84.21  L.Dakota   412-420  "   "   "
 3.31    0.17  88.51   2.70  12.21  85.08   Permian     625    "   "   "
 5.00    6.47  88.52   1.54   7.54  67.10  L.Dakota     377    13S 14W 33BA
 2.75    9.86  87.38   1.39  13.33  85.27   Permian   560-570  "   "   "
 2.64    5.54  91.81   4.1   12.97  82.92  L.Dakota   295-310  14S 14W 10AB
 3.01    7.19  89.79   2.79  13.15  84.05  Cheyenne   422-430  "   "   "
 4.58    5.70  89.70   4.47   7.82  87.70  L.Dakota   270-280  14S 14W 14DC
 4.19    7.37  88.42   3.01  11.19  85.78  L.Dakota   355-370  "   "   "
 3.98    7.68  88.33   2.86  10.89  86.29  Cheyenne   423-443  "   "   "
 2.83   12.20  84.96   0.29  14.70  85.00   Permian   680-692  "   "   "
 2.61    6.12  91.25   3.62   9.46  86.91  L.Dakota   270-275  14S 14W 10CD
 3.30    5.59  91.09   3.50   8.61  87.98  L.Dakota   355-370  "   "   "
 3.22    8.43  88.34   1.97  11.75  86.26  Cheyenne   448-465  "   "   "
 1.89    3.35  94.75  13.16  11.47  74.69  U.Dakota   240-245  13S 13W 31BC
 2.05    3.88  94.05   9.90  11.62  78.46  L.Dakota   355-368  "   "   "
 3.67    6.33  89.98   3.39  11.45  85.15  L.Dakota   380-410  "   "   "
24.76    9.54  65.68  18.20  12.03  69.75  U.Dakota   110-125  14S 14W 25AB
 3.77    7.09  89.13   3.33  11.59  85.07  L.Dakota   255-260  "   "   "
 3.64    7.19  89.15   1.43   9.98  88.58  Cheyenne   370-380  "   "   "
 3.55    8.47  88.02   1.03  11.51  87.45  Permian    420-433  "   "   "
 3.27    3.16  93.55  15.38  13.08  71.53  U.Dakota   120-130  14S 14W 30AB
 4.31    4.13  91.54  11.21  11.57  77.20  U.Dakota   186-190  "   "   "
 3.75    7.38  88.86   2.92  10.92  86.14  L.Dakota   275-300  "   "   "
 3.58    6.57  89.98   4.03  11.57  84.39  L.Dakota   320-335  "   "   "
 8.51    7.02  84.46  10.62   7.93  81.43  L.Dakota   235-250  14S 14W 21DC
 3.13    6.05  90.81   3.65  11.48  84.85  L.Dakota   265-290  "   "   "
 6.10    7.77  86.11   2.98  11.93  85.07  L.Dakota   320-350  "   "   "
 3.31    7.39  89.29   1.55  10.73  87.71  Cheyenne   440-475  "   "   "

Sodium + Potassium (Na + K) values not analytically measured.  Values are calculated.

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