Well, I looked around online to see if there was anything about this cemetery or the last one and came up with nada. It seems that unless you live in the area you would never know about them, and in fact I would never have known about this one if not for my friend telling me just recently.
There are no official caretakers (anymore, there was for this one once upon a time) for the old cemeteries like this one, the town keeps them mowed but that's about it. So yeah, just someone 'lucky' enough to have it in their backyard, or in back of their backyard lol.
It was overcast, the sky grey and white, though I did see a patch of light when I took those last two pictures, it just didn't look like that to me more just a patch of light out in front of me, and I didn't realize I was standing in the middle of it. In truth I was standing at the border of the person's backyard by that point and I was in kind of a hurry to get a couple pics of the 'entrance',so I wasn't paying a lot of attention. And actually it was my husband who first uploaded the pictures to his computer and called me over to look at them. They look amazing on his HD PC.
Not sure about the pile, I do think that someone most likely moved them, maybe so they could mow? If they fell that way, it would be exceedingly weird.
I really love that signature!! I need to pop by your page, sorry it's been awhile!