Go to the published coordinates where you will see a cemetry that is placed in an unusual place. Who puts graves so close to the road?
At the coordinates you will see a large gravestone with a 5 letter surname at the top (ABCDE). The gravestone is bordered with yellow sunflowers. Convert the surname to numbers where A=1, B=2, C=3, .....
The cache can be found at: S33 48.(C*4)(D-C)(D) E24 56.(E-A)(A)(C)