REFINE     Who What Where When     REMOVE Aboveground operations worke … 1864 WHAT Charts, diagrams, etc. (1) Drawing (1) Mines and mineral resourc … (1) Mining machinery (1) More  WHERE Europe (continent) (1) WHEN 1860s (1) 1870s (1)

REFINE  Browse All : Aboveground operations workers from 1864 1-1 of 1 Cornish pumping engine ... Europe (continent) 1864   Title Cornish pumping engine and winder Coverage (Spatial) Europe (continent) Date 1864 1-1 of 1

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