miningsections
Sukhoboisk, Samilovsky and Froloosky copper mines
Section of the Bath Easton Coal Mine, Avon (Unknown, 1808?)
Section of the Bath Easton Mine in Somersetshire (Webster, 1812)
Section of a [gold] mine, north of Orenburg, Russia
Timber supports for mining
Timber supports for mining
Timber supports for mining