Portland Hills monitoring site installation
By Landslide Hazards Program
2006 (approx.)
![Photograph showing installation of a tensiometer at the Portland monitoring site.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/tens_install.jpg?itok=Ym1o7KKV)
Detailed Description
Photograph showing tensiometer (blue tube) being installed in inclined borehole.
Sources/Usage
Public Domain.