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I I I I I I I I I I I I I I I I I I I I I Table 2. Change in channel features in Ruby-Horsethief Canyon, 1937-1993. --------------------------------------------------------------------------------------------------------------------- Instream Water Area (m2) Island Area (m2) Side Channel Area (m2) RM 1937 1993 1937 1993 1937 1993 --------------------------------------------------------------------------------------------------------------------- 152 203000 156000 20400 28500 8800 17600 151 191000 170000 0 6600 0 2800 150 162000 173000 25800 33000 19400 17700 149 209000 192000 8300 0 7600 0 148 163000 155000 38700 73800 39700 39400 147 168000 169000 104700 88700 31800 10600 146 178000 185000 7500 18500 18400 16300 145 170000 173000 15900 0 13500 0 144 206000 205000 52300 800 56500 5200 143 160000 164000 20600 30000 32500 16000 142 204000 187000 37400 53200 30800 40200 141 166000 171 000 0 0 0 0 140 168000 159000 31500 34900 55200 59000 139 195000 168000 14400 1300 9300 6600 138 201000 175000 0 1100 0 4600 137 146000 134000 195300 215100 66700 36400 136 156000 135000 2000 7400 0 14400 135 139000 145000 39700 44000 31400 10800 134 222000 178000 0 30500 0 19600 133 156000 154000 0 0 0 0 132 216000 186000 1600 7300 3200 9200 --------------------------------------------------------------------------------------------------------------------- Total: 3779000 3534000 616100 674700 424800 326400 --------------------------------------------------------------------------------------------------------------------- Percent Change: -6.5 % 9.5% -23.2%