Dutch East Indies geological and mineral surveys in Java and Sumatra (1890–1930)

1. Mining Department (Mijnwezen) established in colonies

   Jan 1, 1850Labels: Mining Department, Bangka Island

   • Utrecht Univ
   • Wikibooks

2. De Greve reports major Ombilin coal deposits

   May 26, 1867Labels: Willem H, Ombilin Coal

   • De Greve
   • UNESCO

3. Jaarboek van het Mijnwezen begins long run

   Jan 1, 1875Labels: Jaarboek van

   • Nat Arch
   • Wikibooks

4. Royal Dutch petroleum company founded for Sumatra

   Jan 1, 1890Labels: Royal Dutch, Aeilko Zijlker

   • Shell History
   • Draugen

5. Ombilin coal system linked by rail and port

   Jan 1, 1892Labels: Ombilin Coal, Emmahaven Port

   • Springer
   • UNESCO

6. Full-scale Ombilin open-pit mining begins

   Jan 1, 1892Labels: Ombilin Mine

   • UNESCO
   • Ombilin Mine

7. Military mapping expands systematic Sumatra surveying

   Jan 1, 1893Labels: Military Mapping, Sumatra

   • Springer

8. Geological atlas of Java and Madura published

   Jan 1, 1896Labels: Verbeek &, Geological Atlas

   • BHL
   • Smithsonian

9. Bataafse Petroleum Maatschappij created as Shell arm

   Feb 26, 1907Labels: Bataafse Petroleum, Royal Dutch

   • BPM
   • Shell History

10. Java and Sumatra soil-geology expedition reported

    Jan 1, 1919Labels: J D, Soil-Geology Expedition

    • Wageningen

11. Mining service staffing peaks in late 1920s

    Jan 1, 1929Labels: Colonial Mining

    • Utrecht Univ

12. Survey-driven extractive economy hits 1930 turning point

    Jan 1, 1930Labels: Extractive Economy, Ombilin Peak

    • Ombilin Mine
    • UNESCO