1055 Checklist for High Tunnel Growers (PDF) Developed by Extension Professor, Richard Brzozowski and Extension Maine AgrAbility Coordinator Leilani Carlson, University of Maine. For information about UMaine Extension programs and resources, visit extension.umaine.edu. Find more of our publications and books at extension.umaine.edu/publications/. Photo by Caragh Fitzgerald. The purpose of this checklist