1. SN 9085 6193: Base of uncompleted dam.

2. Base of uncompleted dam. Birmingham Corporation. (NMR 20925). Abandoned project c. 1904. Later replaced by construction of the Claerwen Reservoir and dam. (RSJ 2000)
RCAHMW AP965026/57

3. Dam site is submerged when Caban Coch Reservoir (nprn 32518) is full. Construction started but the dam was never completed, being superceded by Claerwen (nprn 261844). However, Dol-y-mynach Reservoir (nprn 309539) is still in use.
B.A.Malaws, 24 November 2003.