Public domain
Open-Cast Mine near Tunnel 4. Here the first thousand tons of coal for the Navy were extracted
From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.
About this work
Coal mining in an open-pit mine (day mine). View of the exposed and partially excavated coal seam. Part of the loose-leaf photo album presented by the staff of the Boekit-Asam Coal Mines in Sumatra to the retiring Engineer-Director H. Tromp on January 7, 1922.
Rijksmuseum, Amsterdam’s own descriptionCredit lineDagbouw bij Tunnel 4. Hier werden de eerste duizend ton kool voor de Marine gewonnen. 1921 - 1922. anonymous. Rijksmuseum, Amsterdam. Public domain.