Posted by: Groundspeak Premium Member Volcanoguy
N 44° 18.691 W 113° 10.728
12T E 326232 N 4908781
Quick Description: History sign along the interpretive trail for the Charcoal Kilns.
Location: Idaho, United States
Date Posted: 7/11/2012 5:30:19 PM
Waymark Code: WMEVXD
Published By: Groundspeak Premium Member muddawber
Views: 2

Long Description:
This sign is the fifth sign along the interpretive trail.
Marker Name: Charcoal and How It Was Made

Marker Type: Roadside

Marker Text:
Charcoal is the carbonized residue to wood that has been heated inn the absence of air. It was used in smelting because it required less blast than other fuels, was more convenient to obtain, and reacted well with the ore. Wood, cut in four foot lengths, was loaded into the kilns through the lower door. First, dry material, then green was stacked from the walls inward as high as possible. Loading continued from a ramp through the opening in the back of the kiln. When the kilns were filled with 40 to 50 cords of wood, the doors were closed and sealed and the wood set on fire. Air flow to the wood was controlled by a series of vents around the bottom of the kiln. Small waist high openings were used to check the burn. The holes were sealed with clay when not in use. When the burning was done, the kilns were opened and the fire put out with water. The charcoal was removed through the lower door, cooled and loaded on wagons and taken to the smelter, possibly on the same trail on which you are standing. About 800 cords of wood became charcoal in the week and a half long process.

County: Lemhi

Group Responsible for Placement: U.S. Forest Service

City: Not listed

Date Dedicated: Not listed

Marker Number: Not listed

Web link(s) for additional information: Not listed

Visit Instructions:
In your log, please say if you learned something new, and if you took any extra time to explore the area once you stopped at the historic marker waymark. If possible please post a photo of you OR your GPS at the marker location. Also if you know of any additional links not already mentioned about this bit of Idaho history please include that in your log.

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Recent Visits/Logs:
Date Logged Log User Rating  
Volcanoguy visited Charcoal 10/7/2010 Volcanoguy visited it