Leaf collection: sample collection and study area maintenance
![Photos of leaf collection and street cleaning study sample collection and study area maintenance](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/USGS_leafcollection_study.gif?itok=VGBRbqsJ)
Detailed Description
Photos of sample collection and study area maintenance for the leaf collection and street cleaning study.
Sources/Usage
Public Domain.
Public
Photos of sample collection and study area maintenance for the leaf collection and street cleaning study.
Public Domain.
Public