There was a Nelson mine in the Crump / Northern United area, this was roughly in the Serridge / Brierley area .

approx map ref
http://www.old-maps.co.uk/
Approx Map ref
343170, 2149690
SO 634317 149690

http://getamap.ordnancesurvey.co.uk/getamap/frames.htm?mapAction=gaz&gazName=g&...

area of disused Shaft to West of Serridge Green.

Nelson Green is mentioned in http://www.forum.forest-of-dean.net/index.php?id=797

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I wonder if this is a transcription error for Nofold Green , which is in the Steam Mills area to the north of Cinderford towards Brierley ?

Nofold Green
nr Steam Mills / Nailbridge
http://www.old-maps.co.uk/
co-ords 364392,215594
SO 6364392,155940

http://getamap.ordnancesurvey.co.uk/getamap/frames.htm?mapAction=gaz&gazName=g&...