You could try to make a video showing the location, link to the video in this post. Based upon what we can see, the sign can’t be where you say it is, but we can be wrong, so a video might help.
And that’s part of the fun: exploration!
My area has already been pretty well ransacked for good spot nominations, so I just kind of accept it how I can and clean up the map how I can.
Just remember to have fun doing it. 
I do believe there are indeed three signs, but it looks like they are in 3 of the 4 corners of this field:
This location is inaccurate. Attempting to move Wayspots away from their correct location is considered abuse and may lead to sanctions on your account.
Just took a look at google maps and it is saying “Temporary Closed”, suppose it depends if it is “Time of year” or “gone out of business and hoping someone else takes it on” 
Probably closed as of October for the fall/winter