This is a three stage multi cache and you will need to visit two locations to gather the information to locate the final cache placement.
The cache is located at S 29 00.ABC E 167 57.DEF
At stage one at the posted coordinated where
A = Number of Quintal's - Number of Nobbs who served in WW1
B = Number of Quintal's who died in both wars
C = Number of Snell's who servered in both wars
Stage 2 At S 29 01.955 E 167 57.000
D = 4D men were transported on the "Morayshire"
E = The digital root of the year the Pitcan settlers came to Norfolk Island.
F = The number of settlers with surname Adams in the second column of settlers names.
Checksum A + B + C + D + E + F = 21
Now go and find the final and sign the logbook , note bring your own pen.