1,329 Free Images of Freshwater River

rivers and streams employees(usfws)biologists(usfws)aquatic environment freshwater habitat plants biologist survey virginia riverbed

Retaining ring reverse pliers

equipment science

Multi-tank rack system

equipment science

Searching for gravid females with a view bucket

USFWS Fisheries crew in boat capturing lake sturgeon

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-3

FWS employees surveying and assessing rivers and streams-6

FWS employees surveying and assessing rivers and streams-2

Flagging during river and stream assessment-2

FWS employees surveying and assessing rivers and streams-5

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-3

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-3

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-6

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-3

FWS employees surveying and assessing rivers and streams-4

FWS employees surveying and assessing rivers and streams-5

FWS employees surveying and assessing rivers and streams-5

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-2

Flagging during river and stream assessment-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-4

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

Biologist releases salmon-1

underwater fish

Young zebra mussels on the dead shell of a native mussel

west virginia water

Kidneyshell, mucket and endangered Clubshell mussels

pennsylvania mollusk

Aquatic invertebrate -3

Water soil sampling -1

Water soil sampling -5

Glochidia of the golden riffleshell-1

equipment science

Monitoring the gills of fish host during infestation-3

equipment science

USFWS Fisheries crew in boat-2

Alligator gar-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-3

FWS employees surveying and assessing rivers and streams-5

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-3

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-5

FWS employees surveying and assessing rivers and streams-3

FWS employees surveying and assessing rivers and streams-1

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