Taking channel measurements from a canoe
![USGS employee in a canoe hold a prism while survey rod level and the channel point is collected with a total station from shore](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/CanoeMeasurement.jpg?itok=GEWJQWWO)
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.