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Sheldon Mine

Thumbnails | List View | Photo Log
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View of excavation area in drainage below the tailings pile. Two to three feet of contaminated sediment was removed.<br />Date Taken: 4/22/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Walker Historic Marker<br />Date Taken: 4/18/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
View of operations from top of the tailings pile facing south<br />Date Taken: 4/20/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Excavator removing contaminated sediment in drainage below tailings pile<br />Date Taken: 4/20/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
View of EPA Command Post<br />Date Taken: 4/18/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
View of drainage below tailings pile<br />Date Taken: 4/20/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
EPA Command Post <br />Date Taken: 4/18/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
21,000 gal Frac Tank used to store reclaimed water for dust control.<br />Date Taken: 4/17/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
View of Lynx Creek below the tailings pile <br />Date Taken: 4/17/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Soil borrow area known as Gates Tank Dam on U.S. Forest Service lands located 8 miles from the site. <br />Date Taken: 4/17/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Excavator at toe of tailings slope building earthen ramp out from the driveway. <br />Date Taken: 4/17/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Construction of earthen ramp to the top of the tailings pile <br />Date Taken: 4/17/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Setting up office trailer<br />Date Taken: 4/17/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
View of tailings pile facing north <br />Date Taken: 4/17/2013<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
ERRS Crew hydrates concrete cloth.<br />Date Taken: 4/27/2013<br />Category: French Drain<br />Latitude: 34.4475<br />Longitude: -112.396944<br />Tags:
ERRS Crew installs 18" perf pipe into French drain.<br />Date Taken: 4/27/2013<br />Category: French Drain<br />Latitude: 34.4475<br />Longitude: -112.396944<br />Tags:
Close up of concrete cloth.<br />Date Taken: 4/25/2013<br />Category: French Drain<br />Latitude: 34.4475<br />Longitude: -112.396944<br />Tags:
ERRS Crew begins installing concrete cloth in French drain on east side of tailings pile.<br />Date Taken: 4/25/2013<br />Category: French Drain<br />Latitude: 34.4475<br />Longitude: -112.396944<br />Tags:
Eastern French drain during construction<br />Date Taken: 4/26/2013<br />Category: French Drain<br />Latitude: 34.4475<br />Longitude: -112.396944<br />Tags:
Trench for north perimeter French drain.<br />Date Taken: 4/27/2013<br />Category: French Drain<br />Latitude: 34.4475<br />Longitude: -112.396944<br />Tags:

View of excavation area in drainage below the tailings pile. Two to three feet of contaminated sediment was removed. Walker Historic Marker View of operations from top of the tailings pile facing south Excavator removing contaminated sediment in drainage below tailings pile View of EPA Command Post View of drainage below tailings pile EPA Command Post 21,000 gal Frac Tank used to store reclaimed water for dust control. View of Lynx Creek below the tailings pile Soil borrow area known as Gates Tank Dam on U.S. Forest Service lands located 8 miles from the site. Excavator at toe of tailings slope building earthen ramp out from the driveway. Construction of earthen ramp to the top of the tailings pile Setting up office trailer View of tailings pile facing north ERRS Crew hydrates concrete cloth. ERRS Crew installs 18 Close up of concrete cloth. ERRS Crew begins installing concrete cloth in French drain on east side of tailings pile. Eastern French drain during construction Trench for north perimeter French drain. First load of biosolids delivered Northwest end of drainpipe Finished concrete lined French drain along northern perimeter of tailings pile, facing east. Another east facing view of finished French drain along north side of tailings pile. Finished French drain, facing west. Concrete lined basin in the northeast corner on top of tailings pile. Northern perimeter and eastern perimeter drainpipes are shown. Completed concrete lined French drain along eastern perimeter of tailings pile ERRS crew installs concrete cloth in spillway V-ditch. Another view of concrete cloth in spillway and V-ditch View of ERRS crew installing concrete cloth in V-ditch. Close up view of concrete cloth. Joining perforated piping w/ coupler. Riprap delivered to site, light (8 Class A biosolids. Transition from french drain to trapezoidal channel. Spreading mulch at upper tailings pile. Spreading mulch on upper tailings area. Transition from french drain to trapezoidal channel. Compacted topsoil on east end of upper tailings pile First lift of cap around trees. Upper tailings pile. East end of upper tailings pile. Light compaction of second lift on east end of upper TP. Straw errosion control fiber rolls (wattles). East end of upper tailings pile transition to the french drain. Stilling Basin SB-3, riprap set. Hand placement still pending. Upper tailings pile, topsoil extended down slope Biosolids stockpiled on the upper tailings pile. Placing topsoil on slope. French drain, dressed up. Placing topsoil on far side of french drain. Preparing the basin above Eagle Road. Disking in the biosolids on the upper tailing pile. Disking in the biosolids in the upper tailings pile. SB-5, Eagle Road SB-5, concrete cloth tucked under culvert. Bottom gabion in SB-1. Straw errosion control fiber rolls (wattles) at top of TP. Stilling Basin SB-5 above Eagle Road with boulders on concrete cloth for energy dissipation. Remaining armouring to be performed. Gabions around the 12 Continued armouring in SB-1. Stilling Basin SB-3 rocked. Biosolids (dark material) spread on surrounding soil, not yet tilled into topsol. Stormwater erosion control in SB-6. V-channel with concrete cloth. SB-5 with riprap. Breaking rock in Walker road in preparation for culvert Hydrating concrete cloth in SB-1. Breaking rock in Walker Road Spreading mulch on lower tailings pile. Spreading mulch on slope, wattles being placed. Wattles on slope. Staking wattles. Tree trunks placed around tree wells. Tree trunks placed around tree wells, soil raked up against tree. Tree trunks placed around tree wells, soil raked up against tree. Dumping rock adjacent to SB-6. Placing rock in SB-1. Rock placed in SB-6. Rock placed in SB-6. Grading the lo.wer tailings pile Placing riprap in the trapezoidal channel. Preparing trench on north side of Eagle Road. Cleaning up riprap placed in trapezoidal channel by the excavator. View of toe of tailings pile and fencing subcontrators installing barbed wire fence Workers in trench installing 36 View of nearly restored soil borrow area on USFS lands. Approximately 4,390 cubic yards of material was used for the vegetative cover.