Burton Mine, Dirtlow Rake. 7th April 1946
"Burton Mine" is now lost, but was on Dirtlow Raike near Castleton, at approximately SK 1432 8153. Its name is in doubt, as John Gilbert has crossed out the words "Burton Mine" on his location survey, and replaced it with "Bradshaw". There is also a reference to Bradshaw Mine in the Eli Simpson papers currently residing in the BGS archive (reference: "Derbys Vol2 1946. BCRA/201D/D/10 Bradshaw Mine, Dirtlow Rake"), which has not been inspected.
It can be seen in these photographs that although the shaft was equipped with a ladder, a man-powered bosun's chair was also used to lower and raise people. This exploration was part of a concerted effort to explore the lead mines in the area by members of the BSA that included Gilbert Boldock, Les, Jeff and Margaret Salmon, K.W. and Dorothy Ballance, John Clarke, and John and Kathleen Gilbert who would become some of the founder members of the North Midland Group the following year.
John Gilbert's surveys of the site made on what look likes 10th October 1946, the originals of which are held in the BCA Library, have been appended for information - these show the entrance shaft to have been about 60 m deep.
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