Differential leveling techniques are performed to determine reference-mark elevations at historic streamgage
![Collage of differential leveling techniques](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Amy%20Simonson%20_%20levels%20collage.png?itok=XMpVt8ic)
Detailed Description
Differential leveling techniques are performed by Alex Wong to determine reference-mark elevations at historic USGS streamgage, 01303000 Mill Neck Creek in Mill Neck, NY.
Summer 2022 Photo Contest Winner: Amy Simonson, Where We Work category
Sources/Usage
Public Domain.