Flagging a high-water mark
![A USGS hydrologic technician flags a high-water mark on a utility pole](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/HWM%201_v2.jpg?itok=dFEAzmUV)
Detailed Description
Sal Amador, a USGS hydrologic technician, flags a high-water mark on a utility pole in Boston, Massachusetts. Photo by Christopher Bruet, USGS.
Sources/Usage
Public Domain.
Sal Amador, a USGS hydrologic technician, flags a high-water mark on a utility pole in Boston, Massachusetts. Photo by Christopher Bruet, USGS.
Public Domain.