[1] King studied civil engineering at Queen's College, Galway and at Queen's University before joining the Geological Survey of India on 4 March 1857.
He then worked in central India and surveyed western Chota Nagpur and took over the position of director at Calcutta, succeeding Medlicott in 1887.
[3] He was succeeded by Carl Griesbach as director as the next senior officer T.W.H.
Hughes was injured, losing his eyesight and being forced to retire.
The key emphasis was on surveys for coal and mineral resources.