Bulletin #2317, Maine Farm Safety Program: Tractor and PTO Accidents and Rescues (PDF) By Dawna L. Cyr, Farm Safety Project Assistant, and Steven B. Johnson, Ph.D., Extension Crops Specialist For information about UMaine Extension programs and resources, visit extension.umaine.edu. Find more of our publications and books at extension.umaine.edu/publications/. Most rescuers are not familiar with farm