Center for Tree-Ring ScienceLogo Design Contest Logo Design Contest Contests / Center for Tree-Ring Science Center for Tree-Ring Science has selected their winning logo design. For $275 they received 149 designs from 28 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Annotation Delete We are sorry, but the time to edit this annotation has expired. Save Cancel Entries by Ad Astra Return to Contest Return to Contest Comment Activity Order by Ranking Entry Number Comment Activity To leave a comment please click on the logo. New Comment Activity No activity yet.