occurs as a band 0.5 to 1.5 inches thick, 6 inches from top of highest leaf of a complex of coals totalling 10 feet thick (actual lithology not stated). GD267. LIV p.689
Locality details
Oxbow Extension opencast site: small deeper cut exposing lowesst worked seams, 50 yards N of Pontefract Lane, Leeds. SE33SE. GD267