View of the construction of Barker Dam on Middle Boulder Creek, Boulder County, Colorado; shows the concrete damn foundation with wood structures, framing, cranes and ladders.
Barker Dam (Colo.)--1910-1920.; Boulder County (Colo.)--1910-1920.; Dam construction--Colorado--Boulder County--1910-1920.
View of Central Colorado Power Company's Barker Dam (hydroelectric) in Boulder County, Colorado; shows construction sheds and Middle Boulder Creek.
Barker Reservoir (Colo.)--1910-1920.; Boulder County (Colo.)--1910-1920.; Middle Boulder Creek (Colo.)--1910-1920.; Dam construction--Colorado--Boulder County--1910-1920.; Streams--Colorado--Boulder County--1910-1920.
View of Central Colorado Power Company's Barker Dam (hydroelectric) in Boulder County, Colorado; shows the reservoir filling with water from Middle Boulder Creek.
Barker Meadow (Colo.)--1910-1920.; Barker Reservoir (Colo.)--1910-1920.; Boulder County (Colo.)--1910-1920.; Middle Boulder Creek (Colo.)--1910-1920.; Dams--Colorado--Boulder County--1910-1920.; Reservoirs--Colorado--Boulder County--1910-1920.;...
View of Central Colorado Power Company's Barker Dam (hydroelectric) in Boulder County, Colorado; shows the reservoir filling with water from Middle Boulder Creek.
Barker Meadow (Colo.)--1910-1920.; Barker Reservoir (Colo.)--1910-1920.; Boulder County (Colo.)--1910-1920.; Middle Boulder Creek (Colo.)--1910-1920.; Dams--Colorado--Boulder County--1910-1920.; Reservoirs--Colorado--Boulder County--1910-1920.
View of Central Colorado Power Company's Barker Dam (hydroelectric) in Boulder County, Colorado; shows the reservoir filling with water from Middle Boulder Creek.
Barker Meadow (Colo.)--1910-1920.; Barker Reservoir (Colo.)--1910-1920.; Boulder County (Colo.)--1910-1920.; Middle Boulder Creek (Colo.)--1910-1920.; Dams--Colorado--Boulder County--1910-1920.; Reservoirs--Colorado--Boulder County--1910-1920.;...
Interior view of Alpine Horn Mine Shaft House, Boulder County Colorado, a frame structure with motors, electrical boxes and a hoist; "Signal Level" chart is on the wall.
Alpine Horn Mine (Boulder County, Colo.)--1910-1920.; Boulder County (Colo.)--1910-1920.; Hoisting machinery--Colorado--Boulder County--1910-1920.; Mining--Colorado--Boulder County--1910-1920.
View of the compressor and boiler house, a portion of the tailings pile, and Mount Neva at the Fourth of July mine, Boulder County, Colorado.
Mine buildings--Colorado--Boulder County--1910-1920.; Tailings embankments--Colorado--Boulder County--1910-1920.; Boulder County (Colo.)--1910-1920.; Fourth of July Mine (Boulder County, Colo.)--1910-1920.; Mining--Colorado--Boulder...
View of the Boulder Power House above Boulder Creek canyon walls, Boulder County, Colorado, seventeen miles below Barker Dam; shows the brick rectangular hydroelectric plant with arched windows and letters painted on wall: "C.C.P.Co. 1909."...
Central Colorado Power Company--Facilities--1910-1920.; Boulder County (Colo.)--1910-1920.; Canyons--Colorado--Boulder County--1910-1920.; Hydroelectric power--Colorado--Boulder County--1910-1920.
Three teams of horses pull a stagecoach on a dirt road near Nederland in Boulder County, Colorado. Driver John T. Carmack ran a stagecoach service from Boulder for several years until about 1914, when Stanley Steamer automobile stages became the...
Driving of horse-drawn vehicles--1910-1920.; Mountain roads--Colorado--Nederland--1910-1920.; Boulder County (Colo.)--1910-1920.; Nederland (Colo.)--1910-1920.; Horse teams--Colorado--Nederland--1910-1920.;...
The Lakewood Mill was the largest tungsten concentrator in the world when it was built near North Boulder Creek in Boulder County, Colorado, in 1908 by the Primos Company of Primos, Pennsylvania. The mill was managed by Chauncy F. Lake, who...
Ore-dressing plants--Colorado--Boulder County--1910-1920.; Tungsten mines and mining--Colorado--Boulder County--1910- 1920.; Boulder County (Colo.)--1910-1920.
A train of the Denver, Boulder and Western Railroad winds around a snow-covered hillside in the background, at Sugarloaf in Boulder County, Colorado. Large clouds of dark smoke puff from the two engines on the train, one in the front and one in the...
Boulder County (Colo.)--1910-1920.; Sugarloaf (Colo.)--1910-1920.; Narrow-gage railroads--Colorado--Boulder County--1910-1920.; Denver, Boulder, and Western Railroad Company.
A man in an overcoat, knit cap, snow boots and dark glasses poses on a deforested hillside near an abandoned mine in Boulder County, Colorado. Shows a snow covered shaft house, mine and ore processing buildings, a smokestack, a tailings pile and...
Boulder County (Colo.)--1910-1920.; Abandoned mines.; Mine buildings.; Snow.
Nederland, a mining town in Boulder County, Colorado, experienced a tungsten boom in 1916 when demand for steel-strengthening elements was high because of World War I. The large Hetzer Hotel stands in the left midground on a wide, dirt road. A...
Boulder County (Colo.)--1910-1920.; Nederland (Colo.)--1910-1920.; Commercial streets--Colorado--Nederland--1910-1920.; Hotels--Colorado--Nederland--1910-1920.
View of Main Street in Nederland (Boulder County), Colorado; shows false front businesses, pedestrians, and cars.
Boulder County (Colo.)--1910-1920.; Nederland (Colo.)--1910-1920.; Business districts--Colorado--Nederland--1910-1920.; Commercial streets--Colorado--Nederland--1910-1920.; False fronts--Colorado--Nederland--1910-1920.; Grocery...
[1916?]
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