
1) Hamlet in Derbyshire 2) High Peak 3) Reservoir in Derbyshire
Found on
https://www.crosswordclues.com/clue/birchinlee

Birchinlee is the site of `Tin Town`, a village built by the Derwent Valley Water Board for the workers (and their families) who constructed the Derwent and Howden Dams between 1902 and 1916. Most of the workers had previously been engaged in the construction, in Wales, of the Elan Valley Reservoirs where the accommodation was very basic. At Bir.....
Found on
http://en.wikipedia.org/wiki/Birchinlee
No exact match found.