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Invention & Research Pictures & Images
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Invention & Research
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Scientist displaying tissue samples obtained with darts.
Invention & Research
Satellite transmitter placed on sea turtle prior to release
Sea Turtle, Invention & Research
Preparing sea turtle for placing satellite transmitter on back.
Sea Turtle, Invention & Research
Mike Mangold with blue catfish at Dyke Marsh,Virginia
Blue catfish, Invention & Research
Waterfowl Identification
Birds, Invention & Research
Waterfowl Identification
Birds, Invention & Research
Waterfowl Identification
Birds, Invention & Research
WOE102 Pallid Sturgeon Biopsy at Nactitoches NFH
Pallid Sturgeon, Invention & Research
Aquatic biologist measuring adult Cherokee darter, a threatened specie...
Cherokee Darter, Invention & Research
Bog turtle affixed with radio transmitter, Clemmys muhlenbergii
Bog Turtle, Invention & Research
Bog turtle w/ radio transmitter, Clemmys muhlenbergii
Bog Turtle, Invention & Research
Loggerhead Sea Turtle Satellite Tracking
Loggerhead Sea Turtle, Invention & Research
Loggerhead Sea Turtle Satellite Tracking
Loggerhead Sea Turtle, Invention & Research
Loggerhead Sea Turtle with Satellite Transmitter
Loggerhead Sea Turtle, Invention & Research
Warden Paul Kroegel and Visitors At Pelican Island NWR
Brown Pelican, Invention & Research
Biologists and Caribou Calf
Caribou Deer, Invention & Research
FWS2188 Waterfowl Survey
Birds, Invention & Research
FWS2189 Waterfowl Survey
Duck, Invention & Research
FWS2137 Waterfowl Survey (1951)
Duck, Invention & Research
FWS3911 Waterfowl Survey (1957)
Duck, Invention & Research
FWS2130 Waterfowl Survey (1957)
Birds, Invention & Research
FWS3904 Waterfowl Survey (1957)
Birds, Invention & Research
FWS3913 Waterfowl Survey (1957)
Duck, Invention & Research
FWS2208 Work of Service (Old Service Patch)
Mallard Duck, Invention & Research
FWS2136 Waterfowl Survey (1951)
Duck, Invention & Research
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