After leaving Creswick in 1953, Arthur spent a total of seven years in the Division of Forest Management (three of those in Assessment and four subsequently as Forest Assessor), two years at Melbourne University, followed by two years in the Division of Forest Operations as OIC East Warburton and Acting District Forester, Upper Yarra District. This was followed by ten years as a field- based research officer in the Central Division, working on Ash-type regrowth. Arthur finally completed his 37 years of service with 13 years in the Division of Economic and Marketing. His tertiary qualifications include Master of Science in Forestry and the Diploma Forestry Oxford. In 1968 he was awarded a Churchill Fellowship and, in 1969, he was awarded the Russell Grimwade Scholarship.