USGS Geologist Hannah Tompkins loading strontium samples on a turret with 21 individual filament locations
![Lab worker loading strontium samples on a turret with 21 individual filament locations](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/HannahTompkins_lab.jpg?itok=V9hVh1fc)
Detailed Description
Working in the Denver Radiogenic Isotope Lab, Hannah Tompkins loading strontium samples on a turret with 21 individual filament locations.
Sources/Usage
Public Domain.