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Image: Water Quality Demo
Water Quality Demo
Water Quality Demo
Water Quality Demo

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.

Image: Water Quality Demo
Water Quality Demo
Water Quality Demo
Water Quality Demo

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.

Image: Water Quality Demo
Water Quality Demo
Water Quality Demo
Water Quality Demo

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.

Image: Water Quality Demo
Water Quality Demo
Water Quality Demo
Water Quality Demo

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.

Image: Water Quality Demo
Water Quality Demo
Water Quality Demo
Water Quality Demo

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.

Image: Water Quality Demo
Water Quality Demo
Water Quality Demo
Water Quality Demo

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.

Image: Water Quality Demo
Water Quality Demo
Water Quality Demo
Water Quality Demo

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.

Image: Water Quality Demo
Water Quality Demo
Water Quality Demo
Water Quality Demo

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.

Image: Water Quality Demo
Water Quality Demo
Water Quality Demo
Water Quality Demo

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.

Image: Water Quality Demo
Water Quality Demo
Water Quality Demo
Water Quality Demo

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.

CoreFacts
CoreFacts Album Artwork
CoreFacts Album Artwork
What should I do if I find sick or dead wildlife?
What should I do if I find sick or dead wildlife?
CoreFacts
CoreFacts Album Artwork
CoreFacts Album Artwork
What should I do if I find sick or dead wildlife?

Listen to hear the answer.

Image: Wolf Spider
Wolf Spider
Wolf Spider
Wolf Spider

A wolf spider protects a spherical egg sac.

A wolf spider protects a spherical egg sac.

CoreFacts
CoreFacts Album Artwork
CoreFacts Album Artwork
What is ground water?
What is ground water?
CoreFacts
CoreFacts Album Artwork
CoreFacts Album Artwork
What is ground water?

Listen to hear the answer.

CoreFacts
CoreFacts Album Artwork
CoreFacts Album Artwork
Narrow Gauge spring, Mammoth Hot Springs, Yellowstone National Park
Narrow Gauge spring, Mammoth Hot Springs, Yellowstone National Park
Narrow Gauge spring, Mammoth Hot Springs, Yellowstone National Park
Narrow Gauge spring, Mammoth Hot Springs, Yellowstone National Park

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.

Image: American Avocet
American Avocet
American Avocet
American Avocet

Birds found in and around the Salton Sea, California.

Birds found in and around the Salton Sea, California.

Image: American Avocet
American Avocet
American Avocet
American Avocet

Birds found in and around the Salton Sea, California.

Birds found in and around the Salton Sea, California.

Image: Dowitcher
Dowitcher
Dowitcher
Dowitcher

Birds found in and around the Salton Sea, California.

Birds found in and around the Salton Sea, California.

Image: Dowitcher Feeding
Dowitcher Feeding
Dowitcher Feeding
Dowitcher Feeding

Birds found in and around the Salton Sea, California.

Birds found in and around the Salton Sea, California.

Image: Salton Sea Birds
Salton Sea Birds
Salton Sea Birds
Salton Sea Birds

Birds found in and around the Salton Sea, California.

Birds found in and around the Salton Sea, California.

Sea Otter at Knight Island, Alaska
Sea Otter at Knight Island
Sea Otter at Knight Island
Sea Otter at Knight Island

Sea Otter at Knight Island (Prince William Sound) Alaska

Sea Otter at Knight Island (Prince William Sound) Alaska

CoreFacts
CoreFacts Album Artwork
CoreFacts Album Artwork
What is a reef?
What is a reef?
CoreFacts
CoreFacts Album Artwork
CoreFacts Album Artwork
What is a reef?

Listen to hear the answer.

CoreFacts
CoreFacts Album Artwork
CoreFacts Album Artwork

Listen to hear the answer.