Diamond Billed Rock Peckers Mar 10, 2023 7:43:25 GMT -7 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Admin on Mar 10, 2023 7:43:25 GMT -7 www.moabmotorsportsutah.com/product-page/save-the-diamond-billed-rock-pecker-shirtWhat Really happened? Clay balls and galls weathered out of the sandstone.What is a clay gall? surface dried curled cracked clay.Paul Dean Proctor explained that in his 1953 study of Silver Reef! . . How did the clay get into the sandstone? Well, THAT is in my next book -