Lidar survey of the Elwha River
By Pacific Coastal and Marine Science Center
2011 (approx.)
![Two people stand above a river on the bank with a tripod instrument.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/ElwhaAmyJoshLG.jpg?itok=un9Yio_4)
Detailed Description
USGS scientists Amy Draut (left) and Josh Logan set up a ground-based lidar (light detection and ranging) scanner to measure the topography of the lower Elwha River flood plain.
Sources/Usage
Public Domain.