Grand Encampment Mining Region: Boston Wyoming Smelter Site
National Register of Historic Places

Grand Encampment Mining Region: Boston Wyoming Smelter Site

Encampment, Carbon County, Wyoming
Listed
July 1, 1973
Type
Site
Period
Industrial
Ref No.
73001927

About this property

The Boston Wyoming Smelter Site was the site of a copper smelter that processed ores from the nearby Grand Encampment Mining District in Carbon County, Wyoming in the early 20th century. The site includes the former town of Rudefeha and is near Encampment, Wyoming. The smelter was constructed in 1902 by Grand Encampment promoter Willis George Emerson, connected to the main Ferris-Haggerty Mine location by a 16-mile (26 km) aerial tram over the Continental Divide. The smelter initially produced matte, an intermediate product in copper refining. In 1903 it was upgraded to produce blister copper. Power for the blowers needed for the blister refining process came from a water turbine at the end of a 4-foot (1.2 m) diameter wood-stave pipe from the South Fork of the Encampment River, 4 miles (6.4 km) away. The smelter could process 300 to 400 tons of ore a day. A decline in the price of copper, poor yield from the mines, bad weather and financial difficulties plagued the mining venture, particularly after it had been sold to outside investors for $10,000,000 in 1904. A fire in March 1906 destroyed most of the smelter, and another in May set back reconstruction efforts. The smelter was rebuilt, but was under-insured. By 1910 the Penn-Wyoming Copper Company was bankrupt and the smelter was shut down and salvaged in 1913. All smelter buildings have been removed and the site is used as a trash dump. The foundations remain. The smelter site was placed on the National Register of Historic Places on July 2, 1973.

Location

Encampment, Carbon County, Wyoming
41.20966, -106.77997

Categories

INDUSTRYENGINEERING
National Register nomination ›
Sources

Property data from the National Register of Historic Places, National Park Service (public domain).

Description adapted from Wikipedia under the Creative Commons Attribution-ShareAlike 4.0 International License.

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Nearby Historic Sites

Willis House
Industrial
0.8 mi
Nichols, Lora Webb, House
Industrial
0.9 mi
DML-Butler Bridge
Industrial
8 mi
Ryan Ranch
Listed
11.7 mi
Grand Encampment Mining Region: Ferris-Haggarty Mine Site
Industrial
15.4 mi

Questions about this property

When was Grand Encampment Mining Region: Boston Wyoming Smelter Site listed on the National Register?

Grand Encampment Mining Region: Boston Wyoming Smelter Site was listed on the National Register of Historic Places on July 1, 1973.

What type of historic resource is Grand Encampment Mining Region: Boston Wyoming Smelter Site?

Grand Encampment Mining Region: Boston Wyoming Smelter Site is classified as a site in the National Register of Historic Places.

What is the period of significance for Grand Encampment Mining Region: Boston Wyoming Smelter Site?

The period of significance for Grand Encampment Mining Region: Boston Wyoming Smelter Site is recorded as the industrial era, specifically around 1902.

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