Harrow Hill colliery was just to the East of the road from Nailbridge up to Drybrook. SO 6510 1730

http://www.old-maps.co.uk/
co ords 365100 217300

Pluckpenny was about 600yds south of Drybrook ( in a similar area to Harrowhill),

Also a reference to Moseley Green area SO 6433 1666 ( some way away from Drybrook)

http://www.old-maps.co.uk/
co ords 364330 216660