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400 0 400 800 <br />LEGEND: <br />EXISTING GROUND SURFACE CONTOUR AND EL, FEET (AERIAL SURVEY) <br />EXISTING GROUND SURFACE CONTOUR AND EL, FEET (LAND SURVEY) <br />PROPOSED GROUND SURFACE CONTOUR AND EL, FEET <br />—... EXISTING DRAINAGES <br />— — — EXISTING ROAD/TRAIL <br />—�, EXISTING RAILROAD <br />WATERSHED CONTRIBUTION AREA 1 <br />WATERSHED CONTRIBUTION AREA 2 <br />WATERSHED CONTRIBUTION AREA 3 <br />DIRECTION OF SURFACE WATER FLOW <br />1 <br />RUNOFF COLLECTION POINT <br />PHASE 2 — PEAK FLOW ESTIMATES <br />DIVERSION ISCH RGE POINT <br />BASINS <br />AREA (acres) <br />100 —YEAR 24 —HOUR <br />STORM (cfs) <br />1 <br />1 <br />26.61 <br />31.0 <br />2 <br />2 <br />54,84 <br />110.3 <br />3 <br />3 <br />16.78 <br />122.1 <br />SEDIMENT POND <br />— <br />— <br />121.7 <br />NOTE: <br />1. PHASE 1 TEMPORARY DIVERSION CHANNEL AND SEDIMENT <br />CONTROL POND TO BE REMOVED AS PART OF THE PHASED <br />EXPANSION. <br />REFERENCE: <br />EXISTING GROUND TOPOGRAPHY WAS CREATED BY COMBINING THE FOLLOWING FILES <br />RECV FROM FORESIGHT WEST SURVEYING, INC.: <br />SQUAW GULCH BASE TOPO- <br />PHASE 1 - REVISED.DWG <br />(RECV MARCH 14, 2.010) <br />SQUAW GULCH BASE TOPO - <br />PHASE 2.DWG <br />(RECV APRIL 24, 2010) <br />SQUAW GULCH BASE TOPO - <br />PHASE 3.DWG <br />(RECV MAY 4, 2010) <br />CCV TOPO EXPANSION 12- -29 -10 <br />NORTH AREA.DWG <br />(RECV JANUARY 13, 2011) <br />CCV TOPO EXPANSION 01 -28 -11 <br />SOUTH AREA.DWC <br />(RECV JANUARY 28, 2011) <br />SH6'7 ICED 7- 07- 11.DWG <br />(RECV JULY 11, 2011) <br />VLF2 TOPO EXPANSION 8- 05- <br />'1LDWG <br />(RECV AUGUST 9, 2011) <br />09028- CCMOSITE -TOPO MILE LIMITS.DWG <br />(RECV MAY 28, 2010 FROM <br />CC &V) <br />