Environmental Engineering Reference
In-Depth Information
FIG
127.
Pennard Pill as it reaches the sea. (Harold Grenfell)
FIG
128.
Pennard Pill as shown on the Ordnance Survey map of 1877. (West Glamorgan Archive Service)
Similarly, the source of the watercourse draining into Bishopston Valley is a broad area of indistin-
guishable drainage on Fairwood Common, and Bishopston Pill goes underground at the Barland Quarry
