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Updated:Apr 23, 2026
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Geological Survey of India — establishment and early mapping campaigns (1851–1900)

Geological Survey of India — establishment and early mapping campaigns (1851–1900)

  1. Coal Committee created to investigate eastern India coal

    Labels: East India, Coal Committee

  2. David H. Williams appointed to survey Bengal coalfields

    Labels: David H, Bengal coalfields

  3. “Geological Survey of India” appears on Williams’s coalfield map

    Labels: Williams s, Damodar Ajay

  4. Williams appointed Geological Surveyor, then dies in field

    Labels: David H, John McClelland

  5. Geological Survey of India officially established

    Labels: Geological Survey, Thomas Oldham

  6. Oldham takes charge as GSI’s first superintendent

    Labels: Thomas Oldham, GSI superintendent

  7. GSI establishes Calcutta headquarters and assumes economic geology collections

    Labels: Calcutta headquarters, Museum of

  8. Great Trigonometrical Survey completes; base maps support geology

    Labels: Great Trigonometrical, base maps

  9. Medlicott becomes superintendent, professionalizing regional mapping

    Labels: H B, regional mapping

  10. Manual of the Geology of India published

    Labels: Manual of, Medlicott &

  11. Medlicott serves as GSI Director after title change

    Labels: H B, GSI Director

  12. William King becomes Director; survey work continues to expand

    Labels: William King, GSI Director

  13. Griesbach takes charge as Director, emphasizing frontier geology

    Labels: Carl Griesbach, frontier geology

  14. Great Assam earthquake prompts major GSI-led investigation

    Labels: Great Assam, R D

  15. Oldham’s detailed report on the 1897 earthquake publicized

    Labels: R D, 1897 earthquake