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Close-up scientist hand with nitrile glove collect sample wastewater into a flask for laboratory water analysis, industrial and environmental concept
Photo of a laboratory experiment with kelp in a laboratory test tube opposite the setting sun and a laboratory container with ordinary water
The water surface is dirty.
USA, Washington, DC - June 26, 2012. The main building of the US Naval Research Laboratory faces the Potomac River in southwest Washington, DC.
Aerial view of fish farm on lake.Taken via drone. Antalya, Turkey.
volunteers led by a biologist injecting microchips to reproduce fish by the river for conservation of rare fish species that are about to go extinct, natural resources and environmental conservation
Wetland and swamp with trees and plants. River provides canoeing area.
Male and female Biologist or natural science check drain water from factory ,Water environment pollution problem concept , water science collect dead fish from factory waste water
Close-up scientist hand with nitrile glove collect sample wastewater into a flask for laboratory water analysis, industrial and environmental concept
50/50 Over/Underwater View of Baltyboys Bridge from Blessington Lake
Close up of plastic waste in water body with fish in it
Lake With Woods
A normally small river has flowed far beyond its banks after record breaking rainfall causing flash floods in the area.
Fish specimens, kept in jars along with ethanol to preserve them
Fish hatchery stock photos.
old television abandoned in the waters of the port of Molfetta
Close-up scientist hand with white PPE suit and nitrile gloves collect sample wastewater into to flask for laboratory water analysis, industrial and environmental concept
Close-up view of fresh farm fish caught in net
Florida Fresh Water Spring - Swimming Hole - Ocala National Forest - Nature Pond
Environmental researchers investigate the condition of canal water for toxic spills, river waste water sampling, Asian researchers collect water samples in farmland for research and development.
Aerial view of Atlanta residential area in northern Atlanta, GA atlanta,georgia,aerial view,aircraft point of view,directly overhead,neighborhood,suburb,southeast,free,free,free(5dMKII)
Both of technicians are currently evaluating and repairing the transmission terminals for electricity generated by solar energy in a floating solar power system.
Trailers await pickup from a trucking yard.
Help Wanted sign at the bottom of a dirty lake.
Salters Creek neighborhood on Hampton River in Virginia in sunlight of early morning. Drone point of view
Branson, Missouri, USA—September 7, 2019: Boating and fishing are popular sports on the White River, a tributary of the Mississippi River.
Pollution in dirty river
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Man with fishing net in fish farm
Free Images: "bestof:THESE AQUATIC BIOLOGISTS FROM THE SOUTHEAST WATER LABORATORY IN ATHENS, GA. HAVE SET UP A MOBILE LAB NEAR THE EPA... - NARA - 546362.tif Scope and content"
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