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High-water mark: Wash line on an arid stream bank

By Water Resources Mission Area
Sandy sediment with a pocked surface on the upper part and smooth surface on the bottom. A flag marks the demarcation line.
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Detailed Description

A wash line high-water mark on an arid stream bank. The difference in texture between the rough, non-flooded portions (above the flag) and the smooth, flooded portions (below the flag) indicates the wash line.

Sources/Usage

Public Domain.

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