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Taking channel measurements from a canoe

By New England Water Science Center
​USGS employee in a canoe hold a prism while survey rod level and the channel point is collected with a total station from shore
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Detailed Description

Surface Water Modeling for FEMA Flood Insurance Rate Maps.

​​USGS employee in a canoe hold a prism and survey rod level while the channel point is collected with a total station from shore.

Sources/Usage

Public Domain.