Grace Armstrong
![Woman standing on boat collecting samples from side](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Grace_Armstrong.png?itok=dMgankUt)
Detailed Description
Grace Armstrong collecting water samples while riding in a boat, sampling in Wisconsin.
Sources/Usage
Public Domain.
Grace Armstrong collecting water samples while riding in a boat, sampling in Wisconsin.
Public Domain.