Do not go to the posted coordinates, you won't find anything useful there.
I saw this series in Tennessee recently and thought it was a good idea so I'm creating my own. Enjoy!
You can find the geocache at N39 AB.CDE W76 VW.XYZ
A= Third digit of the year Manuel Seijas Lozano was born
B= Joaquín José Casaus was the Bth Attorney General
C=# of different Special Prosecutors +1
D=# of terms Eugenio Díez served as Attorney General
E= # of Attorneys General who served under Mariano Rajoy
V= # of Prime Ministers Alberto de Paz y Mateos served under
W=2nd digit of the year Antonio Marsá Bragado died
X=Last digit of the year Manuel Moreno y Fernández de Roa's term ended as Attorney General
Y= # of letters in the last name of the second woman to hold the position
Z= 3rd digit of the year Manuel_Iglesias_Corral was born