Sheaff : ephemera
Hell'sCanyon150

Hell's Canyon petrified wood. This rare wood, collected in the 1950s at a site now underwater at a dammed river on the Idaho / Oregon border,
had dry rot and was compressed before petrification, creating its characteristic herringbone pattern.


            All images not otherwise indicated are copyrighted by Richard D. Sheaff and not to be used for any purpose without written permission.