Much of the exploratory survey work which identified the geology of the area was carried out by William Smith, who became known as the "Father of English Geology", building on earlier work in the same area by John Strachey, who lived at Sutton Court [REF].
The Old Pit (), which was also known as Sutton Top Pit or Upper Sutton Pit, was dug before 1799 and owned by Lieutenant Henry Fisher, who sold it in 1821 to Robert Blinman Dowling and several seams of coal were identified and exploited.