Not sure why they can't make the real one look like this one? Below the water tower look for a sign with a "Tower Registration Number". These numbers shall be represented as ABCDEFG. Find the cache at:
N 32 45.(A+B)(A+D)(D+G) W 117 07.(B+F)(B+D)(B+D)
Checksum for last 3: N=17, W=21