1. One of a group of ironstone quarries above Blaenavon. Known as patches they may be the efforts of individuals or small independent groups supplying Blaenavon Ironworks under contract. The patches were later bought out by the Blaenavon Ironworks Company.
DJP 07/10/94
2. Not found, but see nprn 260948. Site visited, 2000.08.02/H&H/RH.