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Well at least you can see their faces, unlike those that shuffle around London and other cities nowadays.
Wonder that was taken?MIke
It looks very much like the winding house & headstocks at the old Wigan Junction Colliery at Bickershaw.I would think very early 1900s.
Either somebody can search t'internet or they are older than they let on with a damned good memory https://www.alamy.com/stock-photo-wigan-junction-colliery-pit-brow-lasses-early-1900s-58702151.html?mid=41152&siteID=MRu_ISar6sQ-G67h79iCmQBq1XRRT_ybow&utm_source=LS&utm_medium=affiliate&utm_content=US
The photo that crabby posted isn't watermarked 'Alamy' but apart from that it looks like the same one.