The effect of human activity on the middle course of the Tualatin River, Oregon
A diurnal study of biological, chemical, and physical parameters was made on the middle course of the, Tualatin River, which drains a 1840 km2 (711 mi2) basin adjacent to metropolitan Portland, Oregon. This portion of the river lies along land in transition of use from rural agriculture to highly ur...
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| Format: | Others |
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PDXScholar
1975
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| Online Access: | https://pdxscholar.library.pdx.edu/open_access_etds/227 https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=1226&context=open_access_etds |