U.S. Geol. Survey, WR-7                       T 15S,R 21E,Sec 12
             50.0      51.0                     0.3    1.1   0.7  0.910
             51.0      52.0                     0.9    0.1   0.7  0.910
             52.0      53.0                     1.6    0.3   2.4  0.910
             53.0      54.0                     0.5    0.2   3.3  0.910
             54.0      55.0                     0.8    0.3   3.3  0.910
             55.0      56.0                     0.2    0.9   5.2  0.910
             56.0      57.0                     0.2    0.0   5.0  0.000B
             57.0      58.0                     0.9    0.8   3.6  0.910
             58.0      59.0                     0.7    0.4   3.3  0.910
             59.0      60.0                     0.9    1.4   4.0  0.910
             60.0      61.0                     0.1    0.9   6.7  0.910
             61.0      62.0                     0.3    0.7   5.2  0.910
             62.0      63.0                     0.2    0.3   7.2  0.910
             63.0      64.0                     0.5    0.2   6.6  0.910
             64.0      65.0                     0.8    1.4   5.4  0.910
             65.0      66.0                     0.1    1.1   5.8  0.910
             66.0      67.0                     1.1    2.6   4.4  0.910
             67.0      68.0                     0.1    1.5   5.5  0.910
             68.0      69.0                     0.2    0.8   0.5  0.910
             69.0      70.0                     0.6    2.6   3.9  0.910
             70.0      71.0                     0.9    5.9   6.4  0.910
             71.0      72.0                     1.5   10.1   3.6  0.915
             72.0      73.0                     2.1   31.4   4.5  0.913
             73.0      74.0                     1.0   16.8   4.4  0.904
             74.0      75.0                     1.0   12.8   3.6  0.903
             75.0      76.0                     1.4    9.1   3.0  0.917
             76.0      77.0                     1.5   14.7   4.0  0.910
             77.0      78.0                     2.7   38.3   4.9  0.903
             78.0      79.0                     1.0   14.7   4.5  0.916
             79.0      80.0                     0.6   10.7   2.1  0.920
             80.0      81.0                     0.8   12.6   3.1  0.897
             81.0      82.0                     1.0   12.8   4.4  0.861
             82.0      83.0                     0.2    5.9   3.3  0.910
             83.0      84.0                     0.1    6.0   7.3  0.910
             84.0      85.0                     0.6    7.1   1.6  0.910
             85.0      86.0                     0.0    0.8   1.0  0.910
             86.0      87.0                     0.0    0.2   1.7  0.910
             87.0      88.0                     0.1    0.0   1.9  0.910
             88.0      89.0                     0.0    0.6   1.1  0.910
             89.0      90.0                     0.0    0.2   2.8  0.910
