Barry and GD said they searched it but, again, anywhere Barry has ever pointed to, she's not. He pointed to Garfield, he pointed towards the reservoir, he pointed toward Fooses, it was all searched. He took a verbal swipe at the CCSO and the FBI for the amount of money spent to dig up the rock beach property, so she's not there.
He didn't point to that mountain. From the AA:
SA Grusing asked Barry what he did about searching difficult places, like mineshafts. He said, “We did. We searched every mineshaft in this area.”
SA Grusing asked if vertical shafts were in the area, and Barry replied, “Yeah, there’s one behind the house that’s on the very top, but it’s plugged by a boulder. They plugged it. It doesn’t go, I mean it goes straight down and they plugged it.” When asked if there were more, he added, “There’s another one, but it’s been blown up – by the house. I don’t know of anything open by the house. The ones in Garfield are open, the ones up 240 are open.”
I'd like to point out here that Barry says there are only two mines by his house. Also note that he does his verbal tell where he starts one sentence, changes his mind and restarts it.