A soil mapping system for Canada: revised
Citation
Mapping System Working Group. 1981. A Soil Mapping System for Canada: Revised. Land Resource Research Institute. Contribution Number 142. Research Branch. Agriculture Canada. Ottawa. 94 pp.
Mapping System Working Group. 1981. A Soil Mapping System for Canada: Revised. Land Resource Research Institute. Contribution Number 142. Research Branch. Agriculture Canada. Ottawa. 94 pp.