Anaconda Copper Mining Company Smoke Stack - Credit: Wikimedia Commons
Anaconda Copper Mining Company Smoke Stack - Credit: Wikimedia Commons
The Anaconda Smelter Stack is the tallest surviving masonry structure in the world, with an overall height of about , including a brick chimney tall and the downhill side of a concrete foundation tall. Provides precise dimensions via two drawings plus several rounded dimensions in its text. It is a brick smoke stack or chimney, built in 1918 as part of the Washoe Smelter of the Anaconda Copper Mining Company (ACM) at Anaconda, Montana, in the United States. A terra cotta coating covered the entire brick chimney when new, but by the time the smelter closed in 1981, most had eroded away except for the upper 40%, exposing most of its bricks and reinforcing rods. The inside diameter at the bottom of the brick chimney is while that at the top is about . The stack and its viewing area are now the two-part Anaconda Smoke Stack State Park. Read more on Wikipedia
Source: en.wikipedia.org