USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
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USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
USGS scientist Eric Grossman demonstrates the water-quality instruments, used during the tribal canoe journeys, at the Swinomish Tribal Community Center.
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A wolf spider protects a spherical egg sac.
A wolf spider protects a spherical egg sac.
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Narrow Gauge spring, Mammoth Hot Springs, Yellowstone National Park. Vent area is between the two trees on top of the travertine deposits. Terraced pools form due to deposition of travertine from the fluids as they cool and degas carbon dioxide.
Narrow Gauge spring, Mammoth Hot Springs, Yellowstone National Park. Vent area is between the two trees on top of the travertine deposits. Terraced pools form due to deposition of travertine from the fluids as they cool and degas carbon dioxide.
Birds found in and around the Salton Sea, California.
Birds found in and around the Salton Sea, California.
Birds found in and around the Salton Sea, California.
Birds found in and around the Salton Sea, California.
Birds found in and around the Salton Sea, California.
Birds found in and around the Salton Sea, California.
Birds found in and around the Salton Sea, California.
Birds found in and around the Salton Sea, California.
Sea Otter at Knight Island (Prince William Sound) Alaska
Sea Otter at Knight Island (Prince William Sound) Alaska