The forerunner to today's timber supply area, these units were managed by the Forest Service for a long-term sustained yield of timber through the use of a regulated harvest rate, which was shared among several operators
British Columbia Ministry of Forests and Range, Acronyms and Initialisms for Forestry Terms in British Columbia, Canada 2008. http://www.for.gov.bc.ca/hfd/library/documents/acr onyms/ & http://www.for.gov.bc.ca/hfd/library/documents/glo ssary/Glossary.pdf, (For Fr - Canad) {16}