21. When gold was found drift mining began. 22. Mining in the coalfield continued after the opening of a drift mine in 1946 through until 1967. 23. In Shropshire, the gauge was usually narrow, to enable the wagons to be taken underground in drift mines . 24. Moulds from this shaft were used to create the'coal'for the Museum's underground drift mine experience,'Into the Thick '. 25. SM & HCC also operated a drift mine in the Stanley Burn valley to the north of Woodside Terrace. 26. Drift mining and hydraulicking were both abandoned in the 1930s as there were no dumping facilities for mining waste.27. Commercial development of the drift mine began in 1905 and the first coal was shipped on January 4, 1906. 28. The moors and common land around Storrs was pot clay drift mine at Load Brook, two km to the west. 29. Almost all the gold was found at the base of Quaternary gravels, but some drift mines were worked in Tertiary gravels. 30. On 13 October 1882, Galt's company North Western Coal and Navigation Company opened the first drift mine across from Sheran's operation.
