DisgrifiadA dock (possibly a dry-dock) shown on the OS 25-inch map (1st ed, 1870s) located between the Farmer's Lock and the Resolven Lock, close to the terminus of the Resolven Tramroad, between the Neath River and canal.
NMRW record card notes (D.B.Hague)
David Leighton, RCAHMW, 8 November