A Legacy Grant to The Ohio Academy of Science from The Ohio Bicentennial Commission supported website development. We also acknowledge the work of technical writers Mr. Michael Woods and Ms. Joanne Van Voorhis. Dr. Allen G. Noble and Mr. Rudy R. Christian wrote the section on barns, and provided many of the illustrations. Website design by Target Marketing and Communications. We especially thank the many peers who volunteered to review this site. Their comments and advice were invaluable. The Ohio Academy of Science 1500 West Third Avenue Suite 228 Columbus OH 43212-2817 Phone 614/488-2228 • 1-800-OHIOSCI Fax 614/488-7629 Email: oas@iwaynet.net  URL: www.ohiosci.org