Estimated Depth to Ground Water and Configuration of the Water Table in the Portland, Oregon Area

Scientific Investigations Report 2008–5059

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2008–5059

Figure - refer to figure caption for alternative text description

Figure 9. Semivariogram analysis for depth to water, water-table elevation, and water-table elevation residuals after subtraction of quadratic trend.

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