Laserfiche WebLink
i <br /> TABLE 2.7 -12b. BASIN <br />CHARACTERIST <br />ICS FOR THE PYEATT AND <br />FLUME GULC <br />H DRAINAGES. <br /> BIFURCATION ESTIMATE[ <br /> AREA BASIN CHANNEL DRAINAGE RATIO ANNUAL <br /> ------ ----- SLOPE SLOPE DENSITY -------- ---- YIELD <br /> BASIN MILES <br />-------------- ACRES <br />----- (ft/f t) <br />------- <br />-- (ft/ft)(mi/sq mi) <br />-- <br />- <br />- 1st/2nd 2nd/3rd (acre/ft) <br /> <br />WEST - - <br />------ <br />-- <br />------ --------- ------- ----------- <br /> PYEATT .438 280 .11 .088 8.42 5.0 3.0 22 <br /> MIDDLE <br /> PYEATT .653 418 .173 .098 8.33 6.67 3.0 33 <br /> EAST <br /> PYEATT = 2.10 1346 .167 .097 8.37 4.0 4.67 105 <br /> FLUME <br /> FORK x.659 422 .147 .10 10.08 3.71 3.5 33 <br /> FLUME <br /> MIDDLE' <br /> `W_FORK 648 415 .188 .11 9.52 2.89 3.0 32 <br /> FLUME J <br /> MIDDLE ~ <br /> FORK T.281 180 .242 ,14 13.23 4.0 2.0 14 <br /> FLUME <br /> MIDDT,E <br /> E. FORK :911 583 .172 .10 11.47 3.0 4.5 x <br />46 <br />• FLUME _ <br /> E. FORK :241 154 .168 .11 13.34 4.75 4.0 12 <br /> MEAN 10,3 <br /> NOTE: 10 yr/24 hr rainfall depth = 1.7 inches <br /> 100 yr/24 hr rainfall depth = 2.5 inches <br /> Annual yield calculated from area in and upstream of the mine <br /> permit area <br /> <br /> 2-4148 <br /> ~ FEB 13 '87 <br />