00000nas 2200000za 4500 9.826244 CaOODSP 20221107144536 cr ||||||||||| 161024d19801986oncuu m|o f0###|0eng|d 0712-4465 CaOODSP eng n-cn--- En73-4E-PDF En73-4-PDF Working paper (Canada. Lands Directorate) Working paper [electronic resource] / Lands Directorate. [Ottawa] : Lands Directorate, Environment Canada, 1980-1986. No. 1-50. Some issues have parallel title : Document de travail. Some issues have text in English and French. gccst Land management Canada. Lands Directorate. Document de travail (CaOODSP)9.830995