A river under siege = Une rivière assiégée.: En37-339/1990-PDF
"Most rivers start high in the mountains. Rains, snowmelt, glacier melt and groundwater join to form the beginnings of the river. Even at this early stage, isolated in the high reaches of the mountains, the river can be contaminated. Rain and snow can pick up airborne pollutants from cities and factories and deposit them over the mountains in the form of acid rain or chemical pollution"--Page [2].
Permanent link to this Catalogue record:
publications.gc.ca/pub?id=9.896376&sl=0
| Department/Agency | Canada. Inland Waters Directorate. Western and Northern Region, issuing body. |
|---|---|
| Title | A river under siege = Une rivière assiégée. |
| Variant title | Rivière assiégée |
| Publication type | Monograph |
| Language | Bilingual-[English | French] |
| Format | Electronic |
| Electronic document | |
| Note(s) | Caption title. Digitized edition from print [produced by Environment and Climate Change Canada]. Text in English and French. |
| Publishing information | Regina, Saskatchewan : Environment Canada, Inland Waters Directorate, Western and Northern Region = Environnement Canada, Direction générale des eaux intérieures, Région de l'Ouest et du Nord, 1990. |
| Description | 1 online resource (2 unnumbered pages) : illustrations |
| Catalogue number |
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| Subject terms | Stream ecology -- Canada. Water -- Pollution -- Canada. |
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