In order to locate the cache you will need to solve the number puzzle. This is our first attempt at a puzzle cache so please be kind!
Clues:
Across
1. Three times 19 down
4. 19 down minus five
6. 15 across plus eighty-three
7. 17 across minus 2
8. 18 down plus thirty-eight
10. 19 across minus sixty-six
12. 3 down plus forty-seven
14. 12 across doubled
15. 13 down minus 150
17. 20 down minus sixteen
19. 5 down minus 133
21. Minutes in four hours
22. Four times 4 across
23. Five times 10 down
Down
1. 12 across divided by eleven
2. 1 down plus twenty-five
3. Minutes in three days
4. Dozen in twelve gross
5. Seconds in five minutes
9. 17 down minus eleven
10. 11 down minus eight
11. Minutes in three hours
13. 3 down divided by twelve
16. 23 across doubled
17. 14 across divided by eleven
18. 4 down times three
19. Months in nine years
20. 3 down divided by six
The final coords are N 51 4A.BCD W 004 EF.GHI
This cache has been placed with the kind permission of The Forestry Commission
