Cache is NOT at the posted coords.
At the posted coords, you will find a sign. You will be using information from this sign to figure the coords for the final. Be sure to bring tweezers and an ink stick!
"The McIlroy's built the house on Grand View Avenue in ZZZZ, where they cultivated a beautiful garden. Dennis died in 1913, and in YYYY Clemency donated her house and grounds to the town of Arvada."
YYYY - 1910 = A
ZZZZ - 1334 = BBB
Final can be found at:
N39 48.00A
W105 04.BBB
FTF: Animjason, BearAdair, and Grizzlycacher