File:Coal Seam Shot Down Using Jeffrey Drill.jpg
An electric drill made by the Jeffrey Manufacturing Company of Columbus, Ohio, was used to put holes in the face of this coal seam. Explosives were inserted in the holes and detonated to knock the coal down. This photograph was taken at the Hatfield Campbell Creek Coal Company, Glomar, Kentucky, 1930.
Ohio History Connection. Jeffrey Manufacturing Company Collection P 251; Box 12, Folder 6, Image 17580.
(Reusing this file)
Click on a date/time to view the file as it appeared at that time.
|current||20:02, 24 April 2013||400 × 323 (61 KB)||Maintenance script||Importing image file|
- You cannot overwrite this file.