“So Roy, they began searching in this area and he found…” — Perhaps It's You at 48:58

Perhaps It's You S07 Ep02: Remove Dirt. Claim Treasure.

“So Roy, they began searching in this area and he found holes carved into the side of a sandstone bluff. Well, can sandstone notoriously not porous and not easy to erode away? Kids never just like poke stuff with sticks or carve their names and things or whatever. He believes that it may be man-made symbols. He also…”