Event is over but here are the clues. Cache is still active and ready to be signed.
Cache is found at the following coordinates. Somewhere in Pioneer Park is a mile post sign. Find the sign and then solve the cache location.
N AB˚ CD.EFG W HIJ˚ KL.MNO
NUMBERS ON SIGN BOARD ARE READ LEFT TO RIGHT OR TOP TO BOTTOM: EXAMPLE—If sign reads: ANCHORAGE 5487; then 5 would be the first digit, 4 is the second digit, 8 is the third digit and 7 is the fourth digit
A= 4TH DIGIT PHOENIX
B= 1ST DIGIT PARIS
C= 4TH DIGIT NEW YORK CITY
D= 5TH DIGIT SUN
E= 3RD DIGIT PETERSBURG
F= 3RD DIGIT DALLAS AND THEN +3
G= 3RD DIGIT QUEBEC AND THEN +1
H= 1ST DIGIT NEW DELHI AND THEN -5 AND THEN +1
I= 3RD DIGIT HONOLULU
J= 3RD DIGIT SUN AND THEN -2
K= 3RD DIGIT CAIRO AND THEN -8 AND THEN +4 AND THEN -1
L= 4TH DIGIT NEW YORK CITY
M= 1ST DIGIT PRUDHOE BAY AND THEN +5 AND THEN -2 AND THEN +3
N = 8TH DIGIT SUN AND THEN +2 AND THEN +3 AND THEN +5 AND THEN -2 AND THEN +1 AND THEN -5
O = 4TH DIGIT PARIS AND THEN +1 AND THEN +1 AND THEN +0 AND THEN -1 AND THEN +1 AND THEN -2 AND THEN +2