Laserfiche WebLink
Hydrology • <br />HaydenPit <br />DRMS Permit Number: M-1987-164 United Companies <br />Mine Entry Location: Latitude: 40.49780 Longitude: -107.22120 <br />State: CO County: Routt Nearest Town: Hayden <br />Section: 11 Township: 6N Range: 87W PM: 6th <br />Major Watershed: Yampa River <br />Map Scale: 1": 700 <br />N <br />0 700 1400 <br />"%iP% T <br />Map Georeferencing Information: Datum: NAD83 Projection: CO NORTH <br />Survey Source: CO LIDAR <br />Drawn by: BEL <br />Date: 10111/22 <br />Imagery Source:Google <br />Checked by: BEL <br />Date: 12/15122 <br />Survey Date: 2016 <br />Approved by: BEL <br />Date: 12115M <br />Imagery Date: 2013 <br />File Name: HGP-Maps 221123 <br />LLewicki Associates <br />3375 West Powers Circle ✓ (303)-346-5196 = info@lewicki.biz <br />Q <br />Littleton, CO USA 80123 <br />STORMWATER CONTROL BERM <br />1 <br />2� MIN. 2.0' <br />64 <br />Drainage Basin 1 <br />Site <br />Condition <br />Area (acres) <br />Curve <br />Number <br />100-YR 24-HR <br />Runoff (ac-ft) <br />Sump Capacity <br />(ac-ft)* <br />Base <br />78.4 <br />74 <br />4.3 <br />N/A <br />Mine <br />78.4 <br />82 <br />6.8 <br />7.3 <br />Rec. <br />78.41 <br />741 <br />4.3 <br />N/A <br />Drainage Basin 2 <br />Site <br />Condition <br />Area (acres) <br />Curve <br />Number <br />100-YR 24-HR <br />Runoff (ac-ft) <br />Sump Capacity <br />(ac-ft)* <br />Base <br />43.0 <br />74 <br />2.3 <br />N/A <br />Mine <br />43.0 <br />80 <br />3.4 <br />41.5 <br />Rec. <br />43.0 <br />74 <br />2.3 <br />N/A <br />Site <br />Condition <br />Area (acres) <br />Curve <br />Number <br />100-YR 24-HR <br />Runoff (ac-ft) <br />Sump Capacity <br />(ac-ft)* <br />Base <br />1 141.0 <br />74 <br />7.6 <br />NIA <br />Mine <br />141.0 <br />77 <br />9.2 <br />52.7 <br />Rec. <br />141.0 <br />74 <br />7.6 <br />N/A <br />*Volume available within pit behind SCM berm. <br />BOUNDARIES <br />DRMS Permit Boundary <br />ROADS AND RELATED FEATURES <br />Highway <br />Light duty road, paved <br />DRAINAGE DATA <br />Basin <br />Basin <br />Destination <br />62.6 80 <br />Area Composite <br />(acres) Curve Number <br />Drainage Direction <br />Drainage Basin <br />MINING POD CONTOURS <br />Index (Mining) <br />Intermediate (Mining) <br />Index (Reclaimed) <br />Intermediate (Reclaimed) <br />