The Ardis Furnace

The Ardis Furnace (HM2042)

Location: Iron Mountain, MI 49801 Dickinson County
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Country: United States of America
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N 45° 50.239', W 88° 3.158'

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Inventor John T. Jones of Iron Mountain recognized the economic potential of the low-grade iron ore of the Upper Peninsula. He developed a method for processing the ore and built an experimental furnace in 1908, named for his daughter Ardis, to test his new theory. The furnace, a huge metal tubed lined with firebrick, was placed on an incline and charged with ore. The whole device was rotated by electric motor, with iron suitable for mill use discharged from the lower end of the tube. The experiment was plagued with financial and mechanical problems, and by the close of World War I the Ardis was dismantled, Jones moving to other mining endeavors. Elements of the Jones method were later incorporated into successful processing operations for low-grade iron ores.
HM NumberHM2042
Year Placed1972
Placed ByMichigan Historical Commission, Department of State
Marker Condition
7 out of 10 (1 reports)
Date Added Tuesday, July 25th, 2017 at 1:02pm PDT -07:00
Locationbig map
UTM (WGS84 Datum)16T E 418253 N 5076511
Decimal Degrees45.83731667, -88.05263333
Degrees and Decimal MinutesN 45° 50.239', W 88° 3.158'
Degrees, Minutes and Seconds45° 50' 14.34" N, 88° 3' 9.48" W
Driving DirectionsGoogle Maps
Area Code(s)906
Closest Postal AddressAt or near Antoine St, Iron Mountain MI 49801, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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I Saw The Marker

This upright, freestanding marker is behind the Comfort Inn. It is not visible from the road although the ruins of the furnace can be seen from the road. It is the typical Michigan historical marker a double sided metal plaque, about 3 feet by 3 feet, supported by aluminum poles on either side.
Not much left of the Furnace, just several cement supports. There is a separate freestanding display board with more information and historical photos showing how it looked when in operation.

Dec 27, 2018 at 2:24pm PST by scotty

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Maintenance Issues
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