00000nam 2200000za 4500 9.612840 CaOODSP 20200401090246 ta 150406|1996||||xxc||||| f|0| 0 eng d 0-660-16382-9 CaOODSP eng n-cn--- En153-70/1-1996E Canada. Environment Canada. Environmental Conservation. The St. Lawrence ecosystem Montreal - Quebec : Environment Canada. 1996. 662p. in various pagings. : figs., graphs, maps (some folded), references, tables ; 28 cm. State of the environment report on the St. Lawrence River Volume 1 Contents: Physico-chemical aspects.--Biological aspects.--Socio-economic aspects.--Method of integration and main results. Softcover 96-26 1996-06-28 Environmental impact assessment gcpds State of the environment report on the St. Lawrence River. (CaOODSP)9.808050 State of the environment report on the St. Lawrence River ; Volume 1 (CaOODSP)9.514554