2nd in the Geodog series submitted for the Cache Event GC4YB9M.
At the above coordinates you will find a sign with writing on both sides. The side you desire says at the top:
Dogs on Leads in the Car Park
On the lower line: A B C D
Cache can be found at:
N51 18. (C- (B/D)) (C-A) A
E000 25. (C- (B/D)) B (A+(B/D))
Cache is a double potted Micro.