Photo By/Credit
Mair, Rachel/USFWS
Date Shot/Created
11/15/2010Media Usage Rights/License
Public Domain
Image
The recirculating tank upweller at White Sulphur Springs National Fish Hatchery. Water and food are pumped into the main fiberglass tank, upwell through the 12 inch PVC culture chambers, exit out the side drain, and return to the sump. Photo: Rachel Mair, USFWS.