Unicorn Series
The cache is not at the posted coords...
Full series details can be found at GC7W8NK
Identify the following...
Exeter = A
Thurmaston = B
Eccles = CD
Bloxham = EF
Cache can be found at...
N51 (E) (F+C) . (B+C) (D+D) (A+B)
E0 (B) (C+E+F) . (B-E) (AxB) (D+E+F)