B A S I N   S U M M A R Y  O F
                        S N O W    C O U R S E    D A T A

                                    MARCH  1997


     SNOW COURSE         ELEVATION    DATE    SNOW   WATER     LAST  AVERAGE 
                                             DEPTH  CONTENT    YEAR   1961-90
--------------------------------------------------------------------------------
  SNAKE RIVER BASIN                                                    
     ASTER CREEK            7750    2/26/97   114     44.0     38.4     25.3
     BASE CAMP PILLOW       7030    3/01/97   ---     26.6     21.9     15.7
     BLACK BEAR PILLOW      7950    3/01/97   ---     51.2     40.3     31.7
     BLIND BULL PILLOW      8900    3/01/97   ---     36.7     31.1     24.3
     BRYAN FLAT             6420    2/26/97    46     13.4      8.8      8.3
     CCC CAMP               7000    2/26/97    52     16.1     12.8     10.9
     COTTONWOOD CR PILLOW   7700    3/01/97   ---     26.6     27.1     18.5
     EAST RIM DIV PILLOW    7930    3/01/97   ---     15.0     13.0     12.0
     ELBO RANCH             7100    2/28/97    55     15.5     12.8     10.2
     FOUR MILE MEADOWS      7860    2/28/97    56     16.0     13.5     11.1
     GLADE CREEK            7040    2/27/97    97     30.8     24.2     20.3
     GRASSY LAKE PILLOW     7270    3/01/97   ---     40.4     31.4     29.6
     GREYS BOUNDARY         5720    2/26/97    59     19.4     10.1     10.3
     GROS VENTRE PILLOW     8750    3/01/97   ---     19.1     15.6     12.9
     GROVER PARK DIVIDE     7000    2/26/97    44     11.8     10.4     10.5
     HUCKLEBERRY DIVIDE     7300    2/26/97    79     26.9     23.4     18.7
     LEWIS LAKE PILLOW      7850    3/01/97   ---     48.0     42.0     29.5
     MORAN                  6750    3/01/97    54     18.3     13.8     11.8
     PHILLIPS BENCH PILL.   8200    3/01/97   ---     36.2     29.0     24.2
     SALT RIVER PILLOW      7600    3/01/97   ---     19.9     14.9     12.1
     SNAKE RIVER STATION    6920    2/27/97    88     28.6     21.0     18.2
     SNOW KING MTN          7660    2/27/97    58     18.5     15.4     12.8
     SPRING CRK. PILLOW     9000    3/01/97   ---     32.1     30.2     23.3
     TETON PASS W.S.        7740    2/27/97   111     39.3     29.8     22.4
     THUMB DIVIDE           7980    2/26/97    76     28.7     22.4     17.1
     TOGWOTEE PASS PILLOW   9580    3/01/97   ---     30.5     29.3     20.8
     TURPIN MEADOWS         6900    2/28/97    52     15.5     12.5      9.5
     TWO OCEAN PILLOW       9240    3/01/97   ---     39.1     35.2     22.2
     WILLOW CREEK PILLOW    8450    3/01/97   ---     35.0     31.0     25.8
     
     SNOW COURSE         ELEVATION    DATE    SNOW   WATER     LAST  AVERAGE 
                                             DEPTH  CONTENT    YEAR   1961-90
--------------------------------------------------------------------------------
  UPPER YELLOWSTONE & MADISON RIVER BASINS                             
     BLACK BEAR PILLOW      7950    3/01/97   ---     51.2     40.3     31.7
     CANYON PILLOW          8090    3/01/97   ---     21.4     17.5     10.7
     FISHER CREEK PILLOW    9100    3/01/97   ---     49.2     40.3     30.3
     LAKE CAMP              7780    2/28/97    58     16.4     13.0      8.2
     LUPINE CREEK           7380    2/24/97    45     14.0      9.5      8.9
     MADISON PLT PILLOW     7750    3/01/97   ---     36.4     23.6     20.6
     NORRIS BASIN           7500    2/28/97    46     12.3     10.8      9.9
     N.E. ENTRANCE PILLOW   7350    3/01/97   ---     11.3     10.1      8.1
     NORTHEAST ENTRANCE     7350    3/02/97    47     14.2     12.6      8.1
     OLD FAITHFUL           7400    2/27/97    73     23.9     16.6     13.7
     PARKERS PEAK PILLOW    9400    3/01/97   ---     28.0     23.0     18.0
     SYLVAN LAKE PILLOW     8420    3/01/97   ---     28.0       --     18.5
     THUMB DIVIDE           7980    2/26/97    76     28.7     22.4     17.1
     TWENTY-ONE MILE        7150    2/26/97    67     24.0     15.2     14.9
     TWO OCEAN PILLOW       9240    3/01/97   ---     39.1     35.2     22.2
     WEST YELL'ST PILLOW    6700    2/26/97   ---     11.7      9.3      7.9
     WEST YELLOWSTONE       6700    2/26/97    52     14.0      9.3     10.3

  WIND RIVER BASIN                                                     
     BLUE RIDGE             9620    2/25/97    45     11.2     11.2     10.3
     BURROUGHS CRK PILLOW   8750    3/01/97   ---     21.7     18.3     13.1
     CASTLE CREEK           8400    2/26/97    30      6.4      5.7      4.0
     CHRISTINA LK PILLOW    9980    3/01/97   ---     18.1     10.5     12.7
     COLD SPRINGS PILLOW    9630    3/01/97   ---      9.0      7.9      7.0
     DU NOIR                8760    2/27/97    42     11.8      8.3      7.0
     GEYSER CREEK           8500    2/27/97    33      8.7      7.5      6.2
     GRANNIER MEADOWS       8860    2/25/97    56     10.6     14.2     12.3
     HOBBS PARK PILLOW     10100    3/01/97   ---     15.0     15.5     12.1
     LITTLE WARM PILLOW     9370    3/01/97   ---     15.2     13.7      9.2
     MIDDLE FORK            7420    2/25/97    17      3.6      6.8      4.8
     SOUTH PASS PILLOW      9040    3/01/97   ---     23.7     16.7     14.0
     ST LAWRENCE ALT PILL   8620    3/01/97   ---      8.1      5.9      6.2
     T CROSS RANCH          7900    2/26/97    46     12.3      9.4      6.7
     TOGWOTEE PASS PILLOW   9580    3/01/97   ---     30.5     29.3     20.8
     TOWNSEND CRK PILLOW    8700    3/01/97   ---      9.0      9.0      8.0
     YOUNTS PEAK PILLOW     8350    3/01/97   ---     20.6     21.7     14.8
     BIG HORN RIVER BASIN                                                 
     BALD MOUNTAIN PILLOW   9380    3/01/97   ---     19.3     15.7     17.0
     BONE SPGS. PILLOW      9350    3/01/97   ---     15.9     15.0     13.4
     KIRWIN PILLOW          9550    3/01/97   ---     13.2     15.0      8.1
     LOST CREEK PILLOW      8080    3/01/97   ---     13.0      6.1     10.7
     MEDICINE LODGE LAKES   9340    2/25/97    46     11.9      9.8      9.6
     MIDDLE POWDER PILLOW   7760    3/01/97   ---     12.6      7.9      9.7
     ONION GULCH            8780    2/25/97    39      9.2      6.6      7.3
     OWL CREEK PILLOW       8980    3/01/97   ---      6.8      4.3      3.7

     SNOW COURSE         ELEVATION    DATE    SNOW   WATER     LAST  AVERAGE 
                                             DEPTH  CONTENT    YEAR   1961-90
--------------------------------------------------------------------------------
     POWDER RVR.PASS PILL   9480    3/01/97   ---     12.3     10.7      8.8
     RANGER CREEK           8120    2/25/97    41     10.1      8.0      7.7
     SHELL CREEK PILLOW     9580    3/01/97   ---     15.3     14.5     12.6
     TIMBER CREEK PILLOW    7950    3/01/97   ---      6.2      3.9      4.9
     TYRELL RANGER STA.     8300    2/25/97    33      8.2      6.2      7.0

  SHOSHONE & CLARKS FORK RIVER BASINS                                  
     BEARTOOTH LK. PILLOW   9280    3/01/97   ---     31.5     29.7     19.9
     BLACKWATER PILLOW      9780    3/01/97   ---     32.7     30.8     18.0
     CARTER MOUNTAIN        7950    2/25/97    21      4.9      4.6      3.7
     FISHER CREEK PILLOW    9100    3/01/97   ---     49.2     40.3     30.3
     EVENING STAR PILLOW    9200    3/01/97   ---     36.4     36.6     22.5
     MARQUETTE PILLOW       8760    3/01/97   ---      9.5      9.9      6.5
     PARKERS PEAK PILLOW    9400    3/01/97   ---     28.0     23.0     18.0
     N.E. ENTRANCE PILLOW   7350    3/01/97   ---     11.3     10.1      8.1
     NORTHEAST ENTRANCE     7350    3/02/97    47     14.2     12.6      8.1
     PARKERS PEAK PILLOW    9400    3/01/97   ---     28.0     23.0     18.0
     SYLVAN ROAD PILLOW     7120    3/01/97   ---     18.7     17.4     11.2
     WHITE MILL PILLOW      8700    3/01/97   ---     33.6     30.2     21.2
     WOLVERINE PILLOW       7650    3/01/97   ---     14.8     14.6     10.1
     YOUNTS PEAK PILLOW     8350    3/01/97   ---     20.6     21.7     14.8

  POWDER & TONGUE RIVER BASINS                                         
     BEAR TRAP PILLOW       8200    3/01/97   ---      6.9      5.1      5.9
     BIG GOOSE              7760    2/25/97    28      6.9      4.3      5.6
     BONE SPGS. PILLOW      9350    3/01/97   ---     15.9     15.0     13.4
     BURGESS JCT. PILLOW    7880    3/01/97   ---     10.7      8.7      9.7
     CLOUD PEAK PILLOW      9850    3/01/97   ---     15.2     14.0     11.1
     DOME LAKE PILLOW       8880    3/01/97   ---     10.3     10.6     11.3
     HANSEN S.M. PILLOW     8360    3/01/97   ---      6.4      5.7      5.7
     LOST CREEK PILLOW      8080    3/01/97   ---     13.0      6.1     10.7
     MIDDLE POWDER PILLOW   7760    3/01/97   ---     12.6      7.9      9.7
     NORTH TONGUE           8450    2/25/97    44     11.8     10.5     10.7
     ONION GULCH            8780    2/25/97    39      9.2      6.6      7.3
     POWDER RVR.PASS PILL   9480    3/01/97   ---     12.3     10.7      8.8
     SAWMILL DIVIDE         9260    2/25/97    46     12.2     11.7     10.9
     SOLDIER PARK           8780    2/25/97    26      6.2      4.7      4.6
     SOUR DOUGH             8460    2/25/97    31      6.8      5.8      5.5
     SUCKER CREEK PILLOW    8880    3/01/97   ---     12.0      9.3      9.7
     WOOD ROCK G.S.         8440    2/25/97    40     10.0      8.9      8.3

  BELLE FOURCHE & CHEYENNE RIVER BASINS                                
     BEARLODGE DIVIDE       4680    2/28/97    13      3.3       .3      2.2
     BLIND PARK PILLOW      6870    3/01/97   ---      9.7      6.7      9.1
     DITCH CREEK            6870    2/27/97    19      4.4      4.9         
     NORTH RAPID CK PILL.   6130    3/01/97   ---      9.8       --         
     REUTER CANYON          6280    2/28/97    45     15.2      7.1      8.3
     UPPER SPEARFISH        6500    2/25/97    36     10.9      7.3      6.0
     WARREN PEAK PILLOW     6520    3/01/97   ---     16.0      8.7      9.1
     SNOW COURSE         ELEVATION    DATE    SNOW   WATER     LAST  AVERAGE 
                                             DEPTH  CONTENT    YEAR   1961-90
--------------------------------------------------------------------------------
  UPPER NORTH PLATTE BASIN                                             
     DIVIDE PEAK PILLOW     8860    3/01/97   ---     22.9     16.5     16.8
     JOE WRIGHT SNOTEL     10000    3/01/97   ---     20.8     23.7     17.4
     MOSS LAKE              9800    2/25/97    77     28.6     21.3     20.7
     NORTH BARRETT CREEK    9400    2/25/97    74     25.8     20.7     17.4
     NORTH FRENCH PILLOW   10130    3/01/97   ---     31.5     25.8     20.4
     OLD BATTLE PILLOW      9920    3/01/97   ---     36.6     27.9     26.2
     PURGATORY GULCH        8970    2/25/97    51     17.4     13.3      8.9
     ROACH SNOTEL           9400    3/01/97   ---     19.6     17.3     14.0
     RYAN PARK              8400    2/25/97    46     13.9     10.2      9.7
     SAND LAKE PILLOW      10050    3/01/97   ---     32.2     26.6     26.8
     SOUTH BRUSH PILLOW     8440    3/01/97   ---     13.5      8.1      9.4
     WEBBER SPRING PILLOW   9250    3/01/97   ---     28.8     23.0     22.3
     WILLOW CK PS SNOTEL    9500    3/01/97   ---     16.3     12.1      9.2

  LOWER NORTH PLATTE, SWEETWATER & LARAMIE RIVER BASINS                
     ALBANY                 9400    2/24/97    52     15.6     13.9     12.9
     BOXELDER               7280    2/27/97    27      7.4      5.0      5.9
     BROOKLYN LK. PILLOW   10220    3/01/97   ---     30.4     23.5     19.9
     BUCK CREEK             7960    2/27/97    48     14.6      9.0      7.8
     CASPER MTN. PILLOW     7850    3/01/97   ---     18.1      9.7     12.3
     CHRISTINA LK PILLOW    9980    3/01/97   ---     18.1     10.5     12.7
     DEADMAN HILL SNOTEL   10200    3/01/97   ---     14.0     19.6     13.5
     FOXPARK                9060    2/24/97    36      9.3      8.4      6.5
     GRANNIER MEADOWS       8860    2/25/97    56     10.6     14.2     12.3
     HAIRPIN TURN           9480    2/24/97    57     19.1     16.8     14.5
     JOE WRIGHT SNOTEL     10000    3/01/97   ---     20.8     23.7     17.4
     LA BONTE               8450    2/23/97    24      5.7      4.4      5.3
     LA PRELE PILLOW        8380    3/01/97   ---     13.5      9.8      8.4
     LARSEN CREEK           9020    2/24/97    54     17.8     11.8     11.2
     LIBBY LODGE            8750    2/24/97    43     13.5     11.9      9.9
     POLE MOUNTAIN          8700    2/25/97    34      9.1      5.0      6.3
     RENO HILL PILLOW       8500    3/01/97   ---     19.0     12.3     10.8
     ROACH SNOTEL           9400    3/01/97   ---     19.6     17.3     14.0
     SOUTH PASS PILLOW      9040    3/01/97   ---     23.7     16.7     14.0
     WINDY PEAK PILLOW      7900    3/01/97   ---      9.3      6.6      6.2

  LITTLE SNAKE RIVER BASIN                                             
     BATTLE MTN. PILLOW     7440    3/01/97   ---     15.7      8.8      9.9
     BUTTER HILL            7880    2/24/97    52     16.6     14.4     12.7
     DIVIDE PEAK PILLOW     8860    3/01/97   ---     22.9     16.5     16.8
     ELK RIVER SNOTEL       8600    3/01/97   ---     26.2     18.6     16.7
     HASKINS CREEK          8980    2/24/97   102     37.0     29.6     25.6
     OLD BATTLE PILLOW      9920    3/01/97   ---     36.6     27.9     26.2
     SANDSTONE PILLOW       8150    3/01/97   ---     18.9     15.9     12.2
     WHISKEY PARK PILLOW    8950    3/01/97   ---     34.7     29.7     23.6

 UPPER GREEN RIVER BASIN                                              
     BIG PARK               8620    2/24/97    67     23.4     20.2     16.9
     BIG SANDY PILLOW       9080    3/01/97   ---     17.3     13.5     12.1
     BLIND BULL PILLOW      8900    3/01/97   ---     36.7     31.1     24.3
     EAST RIM DIV PILLOW    7930    3/01/97   ---     15.0     13.0     12.0
     ELKHART PARK PILLOW    9400    3/01/97   ---     16.4     12.0     11.4
     GROS VENTRE PILLOW     8750    3/01/97   ---     19.1     15.6     12.9
     INDIAN CREEK PILLOW    9430    3/01/97   ---     35.3     29.3     22.9
     KELLEY R.S. PILLOW     8180    3/01/97   ---     21.7     17.5     14.2
     KENDALL R.S. PILLOW    7740    3/01/97   ---     21.6     18.1     12.5
     LOOMIS PARK PILLOW     8240    3/01/97   ---     19.4     20.4     14.9
     NEW FORK PILLOW        8340    3/01/97   ---     13.3     12.8      9.9
     POCKET CREEK           9350    2/24/97    52     16.4     11.7     10.7
     ROWDY CREEK            8300    2/25/97    85     32.1     25.7     19.2
     SNIDER BASIN PILLOW    8060    3/01/97   ---     20.8     20.9     12.8
     TRIPLE PEAK  PILLOW    8500    3/01/97   ---     31.2     31.8     21.7

  LOWER GREEN RIVER BASIN                                              
     BIG PARK               8620    2/24/97    67     23.4     20.2     16.9
     BLACK'S FORK JUNCTN    8930    3/01/97    40      9.8     11.1      7.5
     HAMS FORK PILLOW       7840    3/01/97   ---     15.5     13.7     10.5
     HENRY'S FORK          10000    3/01/97    55     12.9     10.8     11.2
     HEWINTA SNOTEL         9500    3/01/97   ---     12.4S    14.5      8.5
     HICKERSON PARK SNOTE   9100    3/01/97   ---      7.0S     3.7      5.0
     HOLE-IN-ROCK SNOTEL    9150    3/01/97   ---      7.4S     5.9      4.5
     INDIAN CREEK PILLOW    9430    3/01/97   ---     35.3     29.3     22.9
     KELLEY R.S. PILLOW     8180    3/01/97   ---     21.7     17.5     14.2
     SPRING CRK. PILLOW     9000    3/01/97   ---     32.1     30.2     23.3
     STEEL CREEK PARK SNO  10100    3/01/97   ---     14.5S    16.0     12.6

  UPPER BEAR RIVER BASIN                                               
     BIG PARK               8620    2/24/97    67     23.4     20.2     16.9
     BURT'S-MILLER RANCH    7900    3/01/97    31      5.9      5.6      4.6
     HAYDEN FORK SNOTEL     9100    3/01/97   ---     19.0S    19.5     13.7
     INDIAN CREEK PILLOW    9430    3/01/97   ---     35.3     29.3     22.9
     KELLEY R.S. PILLOW     8180    3/01/97   ---     21.7     17.5     14.2
     SALT RIVER PILLOW      7600    3/01/97   ---     19.9     14.9     12.1
     STILLWATER CAMP        8550    3/01/97    48     13.2     12.8      8.6
     TRIAL LAKE SNOTEL      9960    3/01/97   ---     33.9S    26.0     21.2
     TRIAL LAKE             9960    3/01/97   103     36.0     25.1     20.3

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