Thermal image of stream and bank with concrete structure
![Thermal photograph showing cool blue stream and warm yellow and hot red areas of the stream bank](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/StreamThermalPhoto.png?itok=mjA110jD)
Detailed Description
Thermal image of Little Lehigh Creek (blue, cool), stream bank (yellow, warm), and concrete intake structure (white, hot) for Li'l-Le-Hi Trout Nursery, Allentown, Pennsylvania. Areas of cooler water in the stream may indicate locations of groundwater inflow. (Jeffrey Cole, USGS; Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government)
Sources/Usage
Public Domain.
Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government