|
<br />TABLE 20-2
<br />POSTMINE DRAINAGE CHANNEL SUMMARY
<br />Channel
<br />Designation Premine
<br />Length Postmine
<br />Leng[h Premine
<br />Drainage Postmine
<br />Drainage Premine
<br />Slope Postmine
<br />Slope Premine Elevation Postmine Elevation
<br /> (ft) (ft) Area (ac) Area (ac) (o~u) (o~u) Upper Lower Upper Lower
<br />005 Gulch 4,300 3,305 158.4 144.4 12.1 12.9 7,660 7,140 7,688 7,230
<br />005-E1 3,400 2,190 62.4 47.8 12.4 13.9 7,610 7,190 7,580 7,275
<br />006-NEI 4,000 4,680 72.4 116.3 10.8 12.9 7,610 7,180 7,700 7,103
<br />006-NE4 853 15.9 7.9 7,680 7,613
<br />006 Gulch 8,500 6,718 715.8 591.8 8.1 8.4 7,740 7,080 7,670 7,103
<br />006-SEl I,6S0 1,900 25.6 70.1 ]2.7 9.2 7,360 7,150 7,310 7,103
<br />006-NE2/NE3 3,700 2,929 45.6 47.9 14.3 15.5 7,750 7,220 7,700 7,247
<br />006-E1 3,400 3,261 97.3 105.7 14.7 12.7 7,800 7,300 7,745 7,330
<br />006-E2 1,190 31.3 16.2 7,640 7,447
<br />006-S1 400 145.8 10.0 7,410 7,370
<br />PM-1 I,S00 1,530 27.5 18.7 19.5 7,680 7,400 7,713 7,414
<br />PM-lA 1,500 1,612 32.9 19.7 20.5 7,975 7,680 8,042 7,713
<br />PM-1B 1,750 1,932 26.0 20.0 19.2 8,125 7,775 8,080 7,713
<br />PM-2 233 229.4 10.7 7,600 7,575
<br />PM-2A 3,000 2,680 46.8 IS.7 13.9 8,080 7,580 7,974 7,600
<br />PM-2B 1,596 128.3 I2.S 7,800 7,600
<br />PM-2C ],495 26.8 21.5 8,195 7,800
<br />PM-2D 1,514 44.4 19.1 8,090 7,800
<br />PM-3 3,000 2,764 98.0 13.8 13.5 7,975 7,560 7,947 7,575
<br />PM-4 500 488 3.2 20.0 22.1 7,975 7,875 7,968 7,860
<br />PM-4A 790 10.8 17.8 8,000 7,860
<br />PM-4B 270 2.7 22.2 7,960 7,900
<br />PM-4C 958 5.5 6.0 7,900 7,852
<br />PM-4D 244 6.3 66.0 7,838 7,677
<br />PM-SA 430 9.6 19.5 7,838 7,754
<br />PM-SB 317 3.8 8.2 7,780 7,754
<br />PM-6 1,025 1,835 53.6 28.3 iS.S 7,975 7,685 7,884 7,600
<br />TR-55 13 Revised 12/06
<br />
|