Arctic Grayling Conservation on the Big Hole River, Montana by USFWS Mountain Prairie ● portfotolio

USFWS Mountain Prairie: Grad Student Doing Water Research on the Big Hole River

USFWS Mountain Prairie: Calculating Stream Flow Rates on the Big Hole River

USFWS Mountain Prairie: Measuring Stream Flow Rates in a Fish Ladder on the Big Hole River

USFWS Mountain Prairie: Measuring Stream Flow Rates in Fish Ladder

USFWS Mountain Prairie: Measuring Stream Flow Rates on the Big Hole River

USFWS Mountain Prairie: Calculating Stream Flow Rates on the Big Hole River

USFWS Mountain Prairie: Fish Ladder