1                            U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES

           STATION NUMBER 05050000  BOIS DE SIOUX RIVER NEAR WHITE ROCK, SD    SOURCE AGENCY USGS   STATE 46  COUNTY 109
               LATITUDE  455145  LONGITUDE  0963425  NAD27  DRAINAGE AREA 1160   CONTRIBUTING DRAINAGE AREA    DATUM
                                             Date Processed: 2008-01-25 16:22 By mitton
                                               Rating for Discharge -TAILWATER (cfs)
                       RATING ID: 18.0   TYPE: stage-discharge    EXPANSION: logarithmic    STATUS: approved
                 Created by jlarson on 04-12-2007 @ 15:20:48 CDT,    Updated by mitton on 01-25-2008 @ 16:22:38 CST
                                                              Remarks:
  
 OFFSET: 2.50

                                                       EXPANDED RATING TABLE
   Gage                                                                                                                    DIFF IN Q
 height,                        Discharge (cfs)                     (STANDARD PRECISION)                                      PER
   feet        .00        .01        .02        .03        .04        .05        .06        .07        .08        .09      .1 UNITS

    3.10        0.05*      0.06       0.07       0.07       0.08       0.10       0.11       0.12       0.14       0.15       0.12
    3.20        0.17       0.19       0.22       0.24       0.27       0.30       0.33       0.37       0.41       0.46       0.33
    3.30        0.50       0.56       0.62       0.68       0.75       0.82       0.90       0.99*       1.1        1.2       0.80
    3.40         1.3        1.4        1.5        1.6        1.7        1.8        2.0        2.1        2.3        2.5        1.4

    3.50         2.7        2.8        3.1        3.3        3.5        3.7        4.0        4.3        4.6        4.9        2.5
    3.60         5.2        5.5        5.9*       6.2        6.5        6.8        7.1        7.4        7.7        8.0        3.2
    3.70         8.4        8.8        9.1        9.5        9.9*      10.3       10.6       11.0       11.3       11.7        3.7
    3.80        12.1       12.5       12.9       13.3       13.8       14.2       14.6       15.1       15.6       16.1        4.5
    3.90        16.6       17.1       17.6       18.1       18.6       19.2       19.8       20.3       20.9       21.5        5.5

    4.00        22.1       22.8       23.4       24.1       24.7       25.4       26.1       26.8       27.6       28.3        7.0
    4.10        29.1       29.8       30.6       31.4       32.3       33.1       33.9       34.8       35.7       36.6        8.4
    4.20        37.5       38.5       39.4       40.4       41.4       42.4       43.4       44.5       45.6       46.7       10.3
    4.30        47.8       48.9       50.0       51.2       52.4       53.6       54.9       56.1       57.4       58.7       12.2
    4.40        60.0*      61.1       62.2       63.4       64.5       65.7       66.9       68.1       69.3       70.5       11.7

    4.50        71.7       73.0       74.3       75.6       76.9       78.2       79.5       80.9       82.2       83.6       13.3
    4.60        85.0       86.5       87.9       89.3       90.8       92.3       93.8       95.3       96.9       98.4       15.0
    4.70         100*       101        103        104        106        107        109        110        112        113       15.0
    4.80         115*       116        118        119        121        123        124        126        127        129       15.0
    4.90         130        132        134        135        137        139        140        142        144        145       17.0

    5.00         147*       148        150        151        153        154        156        157        159        160       15.0
    5.10         162        163        165        166        168        170        171        173        174        176       16.0
    5.20         178        179        181        182        184        186        187        189        191        192       16.0
    5.30         194        196        198        199        201        203        205        206        208        210       18.0
    5.40         212        213        215        217        219        221        223        224        226        228       18.0

    5.50         230*       232        233        235        236        238        239        241        242        244       15.0
    5.60         245        247        248        250        252        253        255        256        258        260       16.0
    5.70         261        263        264        266        268        269        271        273        274        276       17.0
    5.80         278        279        281        283        284        286        288        289        291        293       16.0
    5.90         294        296        298        299        301        303        305        306        308        310       18.0

    6.00         312        313        315        317        319        320        322        324        326        328       17.0
    6.10         329        331        333        335        337        339        340        342        344        346       19.0
    6.20         348        350        351        353        355        357        359        361        363        365       18.0
    6.30         366        368        370        372        374        376        378        380        382        384       20.0
    6.40         386        388        390        392        394        396        398        399        401        403       19.0

    6.50         405        407        409        411        413        416        418        420        422        424       21.0
    6.60         426        428        430        432        434        436        438        440        442        444       20.0
    6.70         446        448        451        453        455        457        459        461        463        465       22.0
    6.80         468        470        472        474        476        478        481        483        485        487       21.0
    6.90         489        491        494        496        498        500        502        505        507        509       22.0

    7.00         511        514        516        518        520        523        525        527        529        532       23.0
1                            U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES

           STATION NUMBER 05050000  BOIS DE SIOUX RIVER NEAR WHITE ROCK, SD    SOURCE AGENCY USGS   STATE 46  COUNTY 109
               LATITUDE  455145  LONGITUDE  0963425  NAD27  DRAINAGE AREA 1160   CONTRIBUTING DRAINAGE AREA    DATUM
                                             Date Processed: 2008-01-25 16:22 By mitton
                                               Rating for Discharge -TAILWATER (cfs)
                       RATING ID: 18.0   TYPE: stage-discharge    EXPANSION: logarithmic    STATUS: approved
                 Created by jlarson on 04-12-2007 @ 15:20:48 CDT,    Updated by mitton on 01-25-2008 @ 16:22:38 CST
                                                              Remarks:
  
 OFFSET: 2.50

                                                       EXPANDED RATING TABLE
   Gage                                                                                                                    DIFF IN Q
 height,                        Discharge (cfs)                     (STANDARD PRECISION)                                      PER
   feet        .00        .01        .02        .03        .04        .05        .06        .07        .08        .09      .1 UNITS

    7.10         534        536        539        541        543        546        548        550        552        555       23.0
    7.20         557        559        562        564        567        569        571        574        576        578       24.0
    7.30         581        583        586        588        590        593        595        598        600        602       24.0
    7.40         605        607        610        612        615        617        620        622        624        627       24.0

    7.50         629        632        634        637        639        642        644        647        649        652       25.0
    7.60         654        657        660        662        665        667        670        672        675        677       26.0
    7.70         680        683        685        688        690        693        696        698        701        703       26.0
    7.80         706        709        711        714        717        719        722        725        727        730       26.0
    7.90         732        735        738        741        743        746        749        751        754        757       27.0

    8.00         759        762        765        768        770        773        776        779        781        784       28.0
    8.10         787        790        792        795        798        801        804        806        809        812       28.0
    8.20         815        818        821        823        826        829        832        835        838        840       28.0
    8.30         843        846        849        852        855        858        861        863        866        869       29.0
    8.40         872        875        878        881        884        887        890        893        896        899       30.0

    8.50         902        904        907        910        913        916        919        922        925        928       29.0
    8.60         931        934        937        940        943        946        950        953        956        959       31.0
    8.70         962        965        968        971        974        977        980        983        986        989       31.0
    8.80         993        996        999       1000       1000       1010       1010       1010       1020       1020       27.0
    8.90        1020       1030       1030       1030       1040       1040       1040       1050       1050       1050       40.0

    9.00        1060       1060       1060       1070       1070       1070       1070       1080       1080       1080       30.0
    9.10        1090       1090       1090       1100       1100       1100       1110       1110       1110       1120       30.0
    9.20        1120       1120       1130       1130       1130       1140       1140       1140       1150       1150       30.0
    9.30        1150       1160       1160       1160       1170       1170       1170       1180       1180       1180       40.0
    9.40        1190       1190       1190       1200       1200       1200       1210       1210       1210       1220       30.0

    9.50        1220       1230       1230       1230       1240       1240       1240       1250       1250       1250       40.0
    9.60        1260       1260       1260       1270       1270       1270       1280       1280       1280       1290       30.0
    9.70        1290       1290       1300       1300       1310       1310       1310       1320       1320       1320       40.0
    9.80        1330       1330       1330       1340       1340       1340       1350       1350       1360       1360       30.0
    9.90        1360       1370       1370       1370       1380       1380       1380       1390       1390       1400       40.0

   10.00        1400       1400       1410       1410       1410       1420       1420       1430       1430       1430       40.0
   10.10        1440       1440       1440       1450       1450       1460       1460       1460       1470       1470       30.0
   10.20        1470       1480       1480       1490       1490       1490       1500       1500       1500       1510       40.0
   10.30        1510       1520       1520       1520       1530       1530       1530       1540       1540       1550       40.0
   10.40        1550       1550       1560       1560       1570       1570       1570       1580       1580       1590       40.0

   10.50        1590       1590       1600       1600       1600       1610       1610       1620       1620       1620       40.0
   10.60        1630       1630       1640       1640       1640       1650       1650       1660       1660       1660       40.0
   10.70        1670       1670       1680       1680       1680       1690       1690       1700       1700       1700       40.0
   10.80        1710       1710       1720       1720       1730       1730       1730       1740       1740       1750       40.0
   10.90        1750       1750       1760       1760       1770       1770       1770       1780       1780       1790       40.0

   11.00        1790       1800       1800       1800       1810       1810       1820       1820       1820       1830       40.0
1                            U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES

           STATION NUMBER 05050000  BOIS DE SIOUX RIVER NEAR WHITE ROCK, SD    SOURCE AGENCY USGS   STATE 46  COUNTY 109
               LATITUDE  455145  LONGITUDE  0963425  NAD27  DRAINAGE AREA 1160   CONTRIBUTING DRAINAGE AREA    DATUM
                                             Date Processed: 2008-01-25 16:22 By mitton
                                               Rating for Discharge -TAILWATER (cfs)
                       RATING ID: 18.0   TYPE: stage-discharge    EXPANSION: logarithmic    STATUS: approved
                 Created by jlarson on 04-12-2007 @ 15:20:48 CDT,    Updated by mitton on 01-25-2008 @ 16:22:38 CST
                                                              Remarks:
  
 OFFSET: 2.50

                                                       EXPANDED RATING TABLE
   Gage                                                                                                                    DIFF IN Q
 height,                        Discharge (cfs)                     (STANDARD PRECISION)                                      PER
   feet        .00        .01        .02        .03        .04        .05        .06        .07        .08        .09      .1 UNITS

   11.10        1830       1840       1840       1850       1850       1850       1860       1860       1870       1870       40.0
   11.20        1870       1880       1880       1890       1890       1900       1900       1900       1910       1910       50.0
   11.30        1920       1920       1930       1930       1930       1940       1940       1950       1950       1960       40.0
   11.40        1960       1970       1970       1970       1980       1980       1990       1990       2000       2000       40.0

   11.50        2000       2010       2010       2020       2020       2030       2030       2040       2040       2040       50.0
   11.60        2050       2050       2060       2060       2070       2070       2080       2080       2080       2090       40.0
   11.70        2090       2100       2100       2110       2110       2120       2120       2120       2130       2130       50.0
   11.80        2140       2140       2150       2150       2160       2160       2170       2170       2170       2180       40.0
   11.90        2180       2190       2190       2200       2200       2210       2210       2220       2220       2230       50.0

   12.00        2230       2230       2240       2240       2250       2250       2260       2260       2270       2270       50.0
   12.10        2280       2280       2290       2290       2300       2300       2300       2310       2310       2320       40.0
   12.20        2320       2330       2330       2340       2340       2350       2350       2360       2360       2370       50.0
   12.30        2370       2380       2380       2390       2390       2390       2400       2400       2410       2410       50.0
   12.40        2420       2420       2430       2430       2440       2440       2450       2450       2460       2460       50.0

   12.50        2470       2470       2480       2480       2490       2490       2500       2500       2510       2510       50.0
   12.60        2520       2520       2530       2530       2540       2540       2550       2550       2560       2560       50.0
   12.70        2570       2570       2580       2580       2590       2590       2600       2600       2610       2610       50.0
   12.80        2620       2620       2630       2630       2640       2640       2650       2650       2660       2660       50.0
   12.90        2670       2670       2680       2680       2690       2690       2700       2700       2710       2710       50.0

   13.00        2720       2720       2730       2730       2740       2740       2750       2750       2760       2760       50.0
   13.10        2770       2770       2780       2780       2790       2790       2800       2800       2810       2810       50.0
   13.20        2820       2820       2830       2830       2840       2850       2850       2860       2860       2870       50.0
   13.30        2870       2880       2880       2890       2890       2900       2900       2910       2910       2920       50.0
   13.40        2920       2930       2930       2940       2940       2950       2960       2960       2970       2970       60.0

   13.50        2980       2980       2990       2990       3000       3000       3010       3010       3020       3030       50.0
   13.60        3030       3040       3040       3050       3050       3060       3060       3070       3070       3080       50.0
   13.70        3080       3090       3100       3100       3110       3110       3120       3120       3130       3130       60.0
   13.80        3140       3140       3150       3160       3160       3170       3170       3180       3180       3190       50.0
   13.90        3190       3200       3210       3210       3220       3220       3230       3230       3240       3240       60.0

   14.00        3250       3260       3260       3270       3270       3280       3280       3290       3290       3300       60.0
   14.10        3310       3310       3320       3320       3330       3330       3340       3340       3350       3360       50.0
   14.20        3360       3370       3370       3380       3380       3390       3400       3400       3410       3410       60.0
   14.30        3420       3420       3430       3440       3440       3450       3450       3460       3460       3470       60.0
   14.40        3480       3480       3490       3490       3500       3500       3510       3520       3520       3530       50.0

   14.50        3530       3540       3550       3550       3560       3560       3570       3570       3580       3590       60.0
   14.60        3590       3600       3600       3610       3620       3620       3630       3630       3640       3640       60.0
   14.70        3650       3660       3660       3670       3670       3680       3690       3690       3700       3700       60.0
   14.80        3710       3720       3720       3730       3730       3740       3750       3750       3760       3760       60.0
   14.90        3770       3780       3780       3790       3790       3800       3810       3810       3820       3820       60.0

   15.00        3830       3840       3840       3850       3850       3860       3870       3870       3880       3880       60.0
1                            U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES

           STATION NUMBER 05050000  BOIS DE SIOUX RIVER NEAR WHITE ROCK, SD    SOURCE AGENCY USGS   STATE 46  COUNTY 109
               LATITUDE  455145  LONGITUDE  0963425  NAD27  DRAINAGE AREA 1160   CONTRIBUTING DRAINAGE AREA    DATUM
                                             Date Processed: 2008-01-25 16:22 By mitton
                                               Rating for Discharge -TAILWATER (cfs)
                       RATING ID: 18.0   TYPE: stage-discharge    EXPANSION: logarithmic    STATUS: approved
                 Created by jlarson on 04-12-2007 @ 15:20:48 CDT,    Updated by mitton on 01-25-2008 @ 16:22:38 CST
                                                              Remarks:
  
 OFFSET: 2.50

                                                       EXPANDED RATING TABLE
   Gage                                                                                                                    DIFF IN Q
 height,                        Discharge (cfs)                     (STANDARD PRECISION)                                      PER
   feet        .00        .01        .02        .03        .04        .05        .06        .07        .08        .09      .1 UNITS

   15.10        3890       3900       3900       3910       3910       3920       3930       3930       3940       3950       60.0
   15.20        3950       3960       3960       3970       3980       3980       3990       3990       4000       4010       60.0
   15.30        4010       4020       4030       4030       4040       4040       4050       4060       4060       4070       70.0
   15.40        4080       4080       4090       4090       4100*      4110       4120       4130       4140       4150       80.0

   15.50        4160       4180       4190       4200       4210       4220       4230       4240       4250       4260        110
   15.60        4270       4290       4300       4310       4320       4330       4340       4350       4360       4370        120
   15.70        4390       4400       4410       4420       4430       4440       4450       4470       4480       4490        110
   15.80        4500*      4530       4550       4580       4610       4630       4660       4690       4710       4740        270
   15.90        4770       4800       4820       4850       4880       4910       4940       4970       5000       5020        280

   16.00        5050       5080       5110       5140       5170       5200       5230       5260       5290       5320        300
   16.10        5350       5380       5410       5440       5470       5510       5540       5570       5600       5630        310
   16.20        5660       5700       5730       5760       5790       5830       5860       5890       5930       5960        330
   16.30        5990       6030       6060       6090       6130       6160       6200       6230       6270       6300        350
   16.40        6340       6370       6410       6450       6480       6520       6550       6590       6630       6660        360

   16.50        6700       6740       6780       6810       6850       6890       6930       6970       7000       7040        380
   16.60        7080       7120       7160       7200       7240       7280       7320       7360       7400       7440        400
   16.70        7480       7520       7560       7600       7650       7690       7730       7770       7810       7860        420
   16.80        7900*

 "*" indicates a rating descriptor point