The cache is not at the location listed.
A magnetic nano cache, located near Copleston High School. Some stealth will be required (it’s probably easiest to avoid the times when children are walking to and from school).
Once you've finished the crossword, you can find the cache at N ab° cd.efg′ E hi° jk.lmn′, where:
a |
= |
L |
b |
= |
E ÷ C |
c |
= |
J |
d |
= |
B + H − Z |
e |
= |
W |
f |
= |
A ÷ T |
g |
= |
M |
h |
= |
Q + V |
i |
= |
Y |
j |
= |
K |
k |
= |
F |
l |
= |
R − D |
m |
= |
S − U |
n |
= |
P |
Good luck!

Congratulations to ginger007 for an outrageously quick FTF!