Focus on ... Field Foresters: How to Use a Cordless Drill to Extract Increment CoresJournal of Forestry (2003)
Cordless drills are a viable alternative to increment borers and can greatly reduce the time and effort required to extract cores.
Citation InformationJames N. Long and Fred A Baker. "Focus on ... Field Foresters: How to Use a Cordless Drill to Extract Increment Cores" Journal of Forestry Vol. 101 Iss. 5 (2003) p. 4 - 4
Available at: http://works.bepress.com/jameslong/201/