Those of you who have driven this section of Highway 4 might have noticed there is a Post Office out here in the middle of nowhere. Holt? Why would you want to come here? Most people just fly by, living their busy lives.
But unknown to some, this area has a rich farming history. There was a famous piece of farming technology that was invented here. Put the name of that technology into Certitude and you'll get the Final Coords!
You can validate your puzzle solution with certitude.