Information Circular

50 feet amalgamation amblygonite Arnett Creek average Beaver Creek bedrock bench deposits bench gravels blankets boiler Boulder Creek Bureau of Mines canyon channel Churchill County companies concentrates contain corduroy corduroy tables costs cubic feet cubic yard Dahlonega Dahlonega Creek Daly Creek diameter district dredge dust east electric equipment explosions feet deep feet long feet per second feet wide flotation Gibbonsville gold gradient gravel deposits ground hoist hydraulic hydraulicking Idaho ignition inches INFORMATION CIRCULAR lamp Leesburg Lemhi County Lemhi River lode lower end material meadows mile mill miners Moose Creek mouth Napias Creek North Fork operations ounce Panther Creek percent placer placer deposits placer mining plant production pyrophyllite quartz Refg respirators safety Salmon River schedule shaft signal Skim Smoke spodumene stack stream deposits stream gradient stream gravels tailings talc tantalite Tantalum tons tributary Unsurveyed upper end upstream valley Yellowjacket Yes Yes Yes