Twelve unidentified men and women explored Lost Valley near Arco with Robert W. Limbert in 1926. These people were part of the Seattle Mountaineers and Mount Stuart Alpine Clubs.
Spokane Scientist Elsie Hanft (left) kneels in front of a white tepee while a Native American woman and a young girl sit around it, photograph taken during an expedition to Lost Valley, near Craters of the Moon.
