Earthwatcher's photos with the keyword: borehole

This is a view of Maltby colliery in South Yorkshire in 1981. The two existing shafts are visible in the background, with a drilling rig situated on the site of the newly approved No.3 shaft to be sunk to the Parkgate seam at a depth of over 900 metres. A fully cored borehole was drilled in order to provide information about the ground conditions (rock strength, fracturing, water flows, etc) prior to letting the contract and commencement of shaft sinking. Today (in 2008), this view would be obscured by the massive No.3 Shaft winding tower, visible for miles around. At the start of 2008, Maltby Colliery is one of the few operational deep mines still remaining in the UK. It is owned and operated by the Hargreaves Group. 2020 update: It's all gone now, of course :-(