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Anaconda Co Stack - Anaconda, MT
Posted by: Groundspeak Premium Member BK-Hunters
N 46° 07.388 W 112° 55.877
12T E 350789 N 5109541
Quick Description: This benchmark is the old 585 foot tall Anaconda Copper Smelting Company Smokestack. It's no longer possible to approach the stack, but it may be viewed from the coordinates, in Smokestack Park.
Location: Montana, United States
Date Posted: 5/1/2014 3:08:32 PM
Waymark Code: WMKMB2
Published By: Groundspeak Premium Member NW_history_buff
Views: 2

Long Description:
DESIGNATION -  ANACONDA CO STACK
PID         -  RX0934
STATE/COUNTY-  MT/DEER LODGE
COUNTRY     -  US
USGS QUAD   -  ANACONDA SOUTH (1996)
NAD 83(1992) POSITION- 46 06 36.08551(N) 112 54 49.51776(W)

HISTORY     - Date     Condition        Report By
HISTORY     - 1956     MONUMENTED       CGS
HISTORY     - 20110727 GOOD             GEOCAC

STATION DESCRIPTION
DESCRIBED BY COAST AND GEODETIC SURVEY 1956 (WFD)
THE STATION IS ABOUT 2 MILES SOUTHEAST OF ANACONDA AND 3/4
MILE SOUTH OF U.S. HIGHWAY 10S.  IT IS A GREY, CONCRETE STACK,
585.5 FEET IN HEIGHT, AND THE POINT OBSERVED WAS THE TOP-CENTER
OF THE STACK.
From NSGS Datasheet

When the final brick was mortared into place on November 30, 1918, this smokestack stood 585.56 feet in height, the tallest in the world at the time. It narrowly escaped demolition with the rest of the Anaconda Smelter in 1980.

When the Anaconda Smelter shut down, then was demolished by its owners, a group named "Anacondans to Preserve the Stack" was formed. Largely through their efforts the stack was spared to stand as a monument to the industry that gave the City of Anaconda life and to all the workers who toiled beneath the stack at that smelter.

During the early years of smelting in Anaconda, each of the many furnaces at the Old Works required its own stack. Later the individual stacks were connected through flues to a large central stack.

When constructed In 1902, the first Washoe Smelter stack stood 285 feet high. As the production capacity of the smelter grew, the decision was made to design and construct one enormous stack to handle the large volumes of flue gas. In May 1918, the 30-foot high octagonal base for the "Big Stack" was completed. It was comprised of 20,891 sacks of cement, 50 railroad cars of sand, and 118 railroad cars of crushed rock. The Washoe Smelter stack was a colossal construction project that was completed in an extremely short time. Construction took 142 actual working days (8-hour shifts), with an average of 12 bricklayers per shift. On May 23, 1918, the first block was set in place and the last block was set in place a little over six months later on November 30, 1918.

From the 30-foot base (elevation 5,754 feet), the stack rises to 585 feet and is constructed of 2,464,652 locally-manufactured tile blocks, the equivalent of 6,672,214 ordinary bricks. Elevation at the top of the stack is 6,339 feet. An enormous amount of material went into the mortar necessary to construct the stack: 41,350 sacks of cement, 77 railroad cars of sand (50 tons per car), and 37 railroad cars of fire clay. Over 300,000 feet of lumber were used in the stack's construction. By May 5, 1919, the flue and stack were placed into operation, and the first smoke from the Washoe Smelter emerged from the stack.
From a Plaque at Smokestack Park

Coordinates given are at Smokestack Park, from where the stack may be viewed.

Condition: Mark found in good condition

Designation: ANACONDA CO STACK

Benchmark Agency: U.S. Coast & Geodetic Survey

Monumentation type: Chimney

County: Deer Lodge

USGS 7.5' Topographic Quadrangle Name (optional): Anaconda South

Find type: Location information obtained from the USGS was used

NGS PID: RX0934

Benchmark Agency (if other): Not listed

Monumentation type (if other): Not listed

Special category (optional): Not listed

Special Category (if other): Not listed

Web address of this benchmark's datasheet (optional): Not listed

Local database's URL (optional): Not listed

Visit Instructions:
  1. A closeup photo of the mark taken by you is required.
  2. A 'distant' photo including the mark in the view is highly recommended. Include the compass direction you faced when you took the picture.
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THEG-FORCE visited Anaconda Co Stack - Anaconda, MT 9/5/2018 THEG-FORCE visited it