When Sanford Lake dried to its lakebed, Sanford resident Cody Wiedenbein saw it as a treasure hunt. After looking through a riverbed attached to the lakebed, he found what he was looking for: rocks.

Growing up, rocks were a big deal in our family. As members of Spokane's Rock Rollers Club, my grandparents won dozens of awards for their pristine petrified wood specimens displayed at the club's ...