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Dissolved oxygen in the Tualatin River, Oregon, during winter flow conditions, 1991 and 1992

Published: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the U.S. Geological Survey, Information Services, [1997?]
Format: Print
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Modeling discharge, temperature, and water quality in the Tualatin River, Oregon

Published: [Reston, Va.] : U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1999
Format: Print
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Simulation analysis of the ground-water flow system in the Portland Basin, Oregon and Washington

Published: [Portland, Or.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the U.S. Geological Survey, Branch of Information Services, [1998]
Format: Print
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Sources and transport of phosphorus and nitrogen during low-flow conditions in the Tualatin River, Oregon, 1991-93

Published: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO ; For sale by the U.S. Geological Survey, Branch of Information Services, 1999
Format: Print
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