A program about the fossil trees that grew in Cairo during the Devonian Period, approximately 380 million years ago, will be presented by Dr. William Stein at the Agro-Forestry Resource Center, Route 23 in Acra on Sunday, November 9 at 1:30 pm. A tour of this historic site will be included. Call (518) 622-9820 ext. 0 to register by Wed., Nov. 5.