This shale may have been here for forever, or it may be fill from when the house was built. In any case, shale is about 4 inches down all over the place.
Greg was out digging post holes for the new fence last summer when he came across something he'd been keeping an eye out for, on account of the shale.
Check it out.
for more trilobites check out this link
I DARE YOU TO TRY TO OUT-VINTAGE THIS!!!]\