Bulletin #7036, How to Tap Maple Trees (PDF) Prepared by Marvin (Bud) Blumenstock, Extension forestry specialist, University of Maine Cooperative Extension. Revised by Kathy Hopkins, Extension educator, University of Maine Cooperative Extension. For information about UMaine Extension programs and resources, visit extension.umaine.edu.Find more of our publications and books at extension.umaine.edu/publications/. Table of Contents How Much