- Sebuah pengeboran minyak di Krueng Gunji, Aceh. Dipagari untuk menghadapi serangan yang tidak terduga. (Dokumen 1917)
Pengeboran 21 Peudawa (Aceh) dengan kedalaman 1353 meter; pengeboran terdalam di Hindia Belanda.(Dokumen 1917)
Panorama di bagian tengah areal pengeboran minyak Perlak, Aceh. (Dokumen 1917)
Sumber: De Petroleum oleh H. Witkamp
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