Phots shows the lower level of the Yellowjacket mill. Ore was dumped beside the mill, then washed into a trough that fed into the trommel screen. The trommel discharged onto the wilfly table which caught the free gold.
Hydraulic placer mining on the Boise River near Twin Springs in Elmore County, Idaho. Photo shows a miner operating a hydraulic giant on a hillside while another miner is inspecting the runoff in the ground sluice below.
Mine and Mill Buildings at the Oro Fino Mine on War Eagle Mountain near Silver City in Owyhee County. Photo was taken 1866. The Oro Fino Mine was discovered in August 1863. The mine was worked for a number of years by J. Marion More and David...
Miners outside one of the camp buildings at a mine in Rocky Bar, Elmore County, ID, probably taken in late 1800s. The men are holding miners candlesticks with unlit candles, pipes, and other equipment.
Mine and mill buildings at the Ima Mine near Patterson, Idaho. Located on the Pahsimeroi River. Photo shows the mine and buildings at the base of a rocky brush covered mountain as well as a residence in the right foreground. A tailings...
General Roberts' boiler in transit from Weiser to Warren, Idaho, to be used for the dredge in Warren's placer mines. View taken at (old) Meadows "Racing Park" 95 miles south of Grangeville, Idaho. J. A. Hansen photo, Grangeville.
View of two stationary steam engines. The interior view is well lit and clearly shows the large fly wheels, single cylinders, and connecting pipes and valves that make up the engine. A pile of nuts and bolts lies on the floor.
Mule-drawn wagon train in the lower part of the town of De Lamar, on Jordan Creek, Owyhee County, Idaho. On ground, Eddie Morgan, nampa. on horseback, Bob Grant, father of donor. Copied from photo loaned by Earl Grant, Boise.