Industry
2
Attached to jackpipes, vertical posts anchored between the mine roof and floor, the shortwall was used to undercut the coal prior to blasting. This machine was last used in the O'Connor Mine near Clear Creek, Utah.
Hear stories like this as you drive
ExploreHere reads historical markers out loud as you pass them: over 325,000 stories across the US. No account needed.
4.7 · 800+ ratings · Free
FIND IT
Helper, Utah · United States
