Kollong Day Construction A2 cabbage layer at Tunnel 8, 1921 - 1922 photograph Coal extraction in an open mine (daybouw). View of the exposed cabbage layer with workers at a dump cart. Part of the loose-leaf photo album offered by the staff of the Boekit-Asam coal mines on Sumatra to the separating engineer director H. Tromp on January 7, 1922. Boekit-asam photographic support gelatin silver print Sumatra. Boekit-Asam

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Size: 5466px × 4324px
Photo credit: © piemags/rmn / Alamy / Afripics
License: Licensed
Model Released: No

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