Dry Sac Arch, Greene County, Missouri
Photo by Jay Wilbur
NABSQNO 15S-473156-4125891. Dry Sac Arch is a cave natural arch eroded through Burlington limestone. It is located in the Lost Hill natural area within Springfield, Missouri. Beveridge includes this arch, along with several other features, as number 340 in the second edition of his catalog. He reports a span of 8 feet.