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Weber Mine

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EPA, ERRS, USFS, and Trout Unlimited meet to discuss work plan at Conjecture Dam.<br />Date Taken: 7/17/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Conjecture Dam - Pre-work<br />Date Taken: 7/17/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Above Conjecture Dam - Pre-work<br />Date Taken: 7/17/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Above Conjecture Dam - Pre-work<br />Date Taken: 7/17/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Above Conjecture Dam - Pre-work<br />Date Taken: 7/17/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Above Conjecture Dam - Pre-work<br />Date Taken: 7/17/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Conjecture Dam buttressed and diversion pipe, fish slide and energy disruptor in place.<br />Date Taken: 7/29/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Area above Conjecture Dam looking toward the dam. Cleared, grubbed and ready to be dug.<br />Date Taken: 7/29/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Area above Conjecture dam looking away from the dam<br />Date Taken: 7/29/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Conjecture Dam about to come down<br />Date Taken: 7/30/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Conjecture dam gone, excavation of mine waste behind the dam begins<br />Date Taken: 7/30/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Conjecture Dam mine waste load out<br />Date Taken: 8/4/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Last of Conjecture Dam mine waste loaded out.<br />Date Taken: 8/5/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Backfilling Gold Creek above Conjecture Dam, begin roughing in new creek channel for TU.<br />Date Taken: 8/5/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Roughing in Gold Creek channel, staying on grade with laser level<br />Date Taken: 8/8/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Gold Creek channel roughed in for TU<br />Date Taken: 8/9/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Diversion dam and piping at Conjecture dam <br />Date Taken: 8/9/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
TU finalizing stream restoration<br />Date Taken: 8/20/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
Conjecture Dam area after TU completed restoration work<br />Date Taken: 9/4/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:
View of Conjecture Dam area after TU conducted stream restoration.<br />Date Taken: 8/20/2025<br />Category: Site Photo<br />Latitude: <br />Longitude: <br />Tags:

EPA, ERRS, USFS, and Trout Unlimited meet to discuss work plan at Conjecture Dam. Conjecture Dam - Pre-work Above Conjecture Dam - Pre-work Above Conjecture Dam - Pre-work Above Conjecture Dam - Pre-work Above Conjecture Dam - Pre-work Conjecture Dam buttressed and diversion pipe, fish slide and energy disruptor in place. Area above Conjecture Dam looking toward the dam. Cleared, grubbed and ready to be dug. Area above Conjecture dam looking away from the dam Conjecture Dam about to come down Conjecture dam gone, excavation of mine waste behind the dam begins Conjecture Dam mine waste load out Last of Conjecture Dam mine waste loaded out. Backfilling Gold Creek above Conjecture Dam, begin roughing in new creek channel for TU. Roughing in Gold Creek channel, staying on grade with laser level Gold Creek channel roughed in for TU Diversion dam and piping at Conjecture dam TU finalizing stream restoration Conjecture Dam area after TU completed restoration work View of Conjecture Dam area after TU conducted stream restoration. New Rainbow work begins to cap waste in place and prevent recreational vehicles from accessing. New Rainbow Mine mine waste capped insitu & made inaccessible to recreation motor vehicles. Weber small pile excavation Backfilling Weber small pile excavation Weber small pile area covered in slash Weber hillside excavation begins Weber hillside excavation progressing Weber hillside first cut done and armored, second cut in progress Weber hillside excavation and armoring Armoring Weber hillside with borrow source material ERRS hauling mine waste from bottom of Weber Mine above Gold Creek. ERT and REAC contractors screening soil and collecting sample after excavation at the bottom of Weber hillside adjacent to Gold Creek. Weber hillside above Gold Creek. The toe of the Weber Hillside made inaccessible with slash. A 6-foot berm was constructed at the bottom of the hillside to manage stormwater runoff. Weber hillside armored and covered in slash, before ditch gets put in where road is. Weber hillside armored and covered in slash with overflow channel and 6'berm in place to protect the creek. Weber pit where the repository now resides. Hauling rock into repository for a filter rock base. First of the Weber Mine waste to hit the repos Grading out lifts at the repos Repos Toe of the repos Weber repository View of repository. ERRS prepping repository before installation of liner. Preparation of the repository before installation of the liner. ERRS constructing ditch around repository in preparation of the liner installation. Liner being installed at Weber repository Installation of liner at repos continues Liner installation at the repos HDPE liner complete Sand cushion and common borrow cap being installed on liner Sand and common borrow material covering liner Liner cap getting done ERRS prepping hillside of Weber Mine to make inaccessible to recreational vehicles. Weber Hillside made inaccessible to recreation motor vehicles ERRS constructing a ditch to manage stormwater runoff from Weber hillside. Ditch constructed to manage surface water runoff from Weber Mine. Ditch down NF-1017 road and settling pond waiting to be armored and finished. Borrow Source ERRS stock piling borrow source material. ERRS stockpiling growth media at staging area to lay over the liner of repository.