The Wych Brook, Worthenbury Brook and Red Brook, formerly known as the River Elfe, is a tributary of the River Dee in England and Wales, forming part of both the historic and present-day border between the two countries. The stream forms part of the border between Cheshire and Shropshire in England to the east, and Wales, particularly the Maelor Saesneg (a detached portion of Historic Flintshire, now within Wrexham County Borough), to the west.
The WychBrook, Worthenbury Brook and Red Brook, formerly known as the River Elfe, is a tributary of the River Dee in England and Wales, forming part...
upper part of) the Middle Keuper Marl and as the Wych Mudstone Formation (named from the WychBrook on the Cheshire/Flintshire/Shropshire border), this...
(R) (Afon Terrig) Worthenbury Brook (R) Emral Brook (Ls) WychBrook (Rs) (formerly known as the "River Elfe") Red Brook (L) River Clywedog (L) (Afon Clywedog)...
their in-take of brook water by their brewery's main sewer, as the over-dilution of the sewage and the excess sand it brought with the brook water became...