Welcome to Newbrough St Peters,the memorial is located in the main porch entrance to the churchyard.The information you require can be found here.
The cache is located at
N55 0.ABC W002 12.DEF
A-First number in Pte Johnson's age
B-First number in Pte Bell's age
C-The total of Pte Allen's age
D-Pte Harrison's age minus Pte Heslop's
E-Total of Pte Tiffin's age
Total number of letters in Trooper John's surname
Checksum=26
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