Three kinds of point events linked to an NHD flowline
![three kinds of point events linked to an NHD flowline](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/1.png?itok=WPrCngFL)
Detailed Description
Map of three kinds of point events linked to an NHD flowline.
Clockwise from top left: A flume-style stream gage. Top right shows a diversion to an irrigation canal. Bottom left point indicates a fish ladder near a dam.
Sources/Usage
Public Domain.