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scientist holding fish on boat
USGS Scientist Holding a Bull Trout in Ross Lake, WA
USGS Scientist Holding a Bull Trout in Ross Lake, WA
USGS Scientist Holding a Bull Trout in Ross Lake, WA

This is a photo of scientist, Marshal Hoy, holding a bull trout in Ross Lake. The USGS Western Fisheries Research Center does food web studies in Ross Lake to better understand the ecology and habitat for salmon in the area.

This is a photo of scientist, Marshal Hoy, holding a bull trout in Ross Lake. The USGS Western Fisheries Research Center does food web studies in Ross Lake to better understand the ecology and habitat for salmon in the area.

Scientists Carl and Jeff sitting on a fallen tree in Skagit, WA
USGS Fisheries Scientists in Skagit County, WA
USGS Fisheries Scientists in Skagit County, WA
USGS Fisheries Scientists in Skagit County, WA

These are two USGS Western Fisheries Research Center scientists, Carl Ostberg and Jeff Duda (from left to right), sitting on a fallen tree in Skagit, WA. These scientists study critical fish, like salmon, in the Ross Dam reservoir and tributaries.

These are two USGS Western Fisheries Research Center scientists, Carl Ostberg and Jeff Duda (from left to right), sitting on a fallen tree in Skagit, WA. These scientists study critical fish, like salmon, in the Ross Dam reservoir and tributaries.

Redside Shiner fish in Ross Lake, WA
Redside Shiner Fish in Ross Lake, WA
Redside Shiner Fish in Ross Lake, WA
Redside Shiner Fish in Ross Lake, WA

This is a photo of a fish in Ross Lake, WA called the Redside Shiner. Ecologists at the Western Fisheries Research Center are studying this fish and the food web in Ross Lake.

This is a photo of a fish in Ross Lake, WA called the Redside Shiner. Ecologists at the Western Fisheries Research Center are studying this fish and the food web in Ross Lake.

This is a photo of Ross Dam in Skagit, WA
Ross Dam in Skagit, WA
Ross Dam in Skagit, WA
Ross Dam in Skagit, WA

This is a photo of Ross Dam as viewed from the boat. This photo was taken by fisheries scientists from the USGS Western Fisheries Research Center.

This is a photo of Ross Dam as viewed from the boat. This photo was taken by fisheries scientists from the USGS Western Fisheries Research Center.

Two scientists collecting tissue samples from a rainbow trout on a boat on Ross Lake.
USGS Scientists Collecting Tissue Samples from a Rainbow Trout on Ross Lake.
USGS Scientists Collecting Tissue Samples from a Rainbow Trout on Ross Lake.
USGS Scientists Collecting Tissue Samples from a Rainbow Trout on Ross Lake.

This is a photo of scientists, Ben Jensen and Shelley Johnson, collecting tissue samples from a rainbow trout on Ross Lake. The USGS Western Fisheries Research Center does work on Ross Lake to understand the food web and ecology for salmon.

Isolated aluminum specimen from the USGS mineral collection.
Aluminum
Aluminum
Aluminum

Isolated aluminum specimen from the USGS mineral collection. High-definition image showing metallic texture and matte surface.

Isolated aluminum specimen from the USGS mineral collection. High-definition image showing metallic texture and matte surface.

Isolated USGS mineral specimen featuring almandite garnet and calcite.
Almandite and Calcite Specimen
Almandite and Calcite Specimen
Almandite and Calcite Specimen

Isolated USGS mineral specimen featuring almandite garnet and calcite. High-definition image showing crystal structure and contrasting color.

Isolated USGS mineral specimen featuring almandite garnet and calcite. High-definition image showing crystal structure and contrasting color.

USGS mineral specimen of gold ore with 0.5 oz per short ton.
Gold Ore – 14 oz/ton
Gold Ore – 14 oz/ton
Gold Ore – 14 oz/ton

High-definition image of gold ore specimen with 14 oz per short ton. Isolated USGS mineral sample showing granular texture and metallic highlights.

High-definition image of gold ore specimen with 14 oz per short ton. Isolated USGS mineral sample showing granular texture and metallic highlights.

USGS mineral specimen featuring gold ore with pyrrhotite, galena, sphalerite, and pyrite.
Gold Ore with Pyrrhotite, Galena, Sphalerite & Pyrite
Gold Ore with Pyrrhotite, Galena, Sphalerite & Pyrite
Gold Ore with Pyrrhotite, Galena, Sphalerite & Pyrite

USGS mineral specimen featuring gold ore with pyrrhotite,  galena,  sphalerite,  and pyrite. High-definition image showing complex texture and metallic inclusions.

High-definition image of graphite lump specimen showing layered texture and dark gray color.
Graphite Lump 2
Graphite Lump 2
Graphite Lump 2

High-definition image of graphite clump specimen showing layered texture and dark gray color.

High-definition image of graphite clump specimen showing layered texture and dark gray color.

High-definition image of gypsum specimen showing fibrous texture and pale coloration.
Gypsum Specimen 2
Gypsum Specimen 2
Gypsum Specimen 2

High-definition image of gypsum specimen showing fibrous texture and pale coloration. Isolated USGS mineral sample.

High-definition image of gypsum specimen showing fibrous texture and pale coloration. Isolated USGS mineral sample.

High-definition image of kyanite specimen with fibrous texture and pale blue hue.
Kyanite Specimen 2
Kyanite Specimen 2
Kyanite Specimen 2

High-definition image of kyanite specimen with fibrous texture and pale blue hue.

High-definition image of kyanite specimen with fibrous texture and pale blue hue.

High-definition image of lead-zinc-copper ore specimen with granular structure and metallic inclusions.
Lead-Zinc-Copper Ore 2
Lead-Zinc-Copper Ore 2
Lead-Zinc-Copper Ore 2

High-definition image of lead-zinc-copper ore specimen with granular structure and metallic inclusions.

High-definition image of lead-zinc-copper ore specimen with granular structure and metallic inclusions.

Isolated specimen of magnetite with minnesotaite and iron.
Magnetite with Minnesotaite
Magnetite with Minnesotaite
Magnetite with Minnesotaite

Isolated specimen of magnetite with minnesotaite and iron. High-definition image from the USGS mineral collection showing layered texture and dark coloration.

Isolated specimen of magnetite with minnesotaite and iron. High-definition image from the USGS mineral collection showing layered texture and dark coloration.

Isolated nickel specimen from the USGS mineral collection.
Nickel Sample
Nickel Sample
Nickel Sample

Isolated nickel specimen from the USGS mineral collection. High-definition image showing metallic surface and smooth texture.

Isolated nickel specimen from the USGS mineral collection. High-definition image showing metallic surface and smooth texture.

High-definition image of oil shale specimen with fine-grained texture and dark coloration.
Oil Shale Sample 2
Oil Shale Sample 2
Oil Shale Sample 2

High-definition image of oil shale specimen with fine-grained texture and dark coloration.

High-definition image of oil shale specimen with fine-grained texture and dark coloration.

Isolated pyrite specimen from the USGS mineral collection.
Pyrite Crystal
Pyrite Crystal
Pyrite Crystal

Isolated pyrite specimen from the USGS mineral collection. High-definition image showing cubic structure and metallic luster.

Isolated pyrite specimen from the USGS mineral collection. High-definition image showing cubic structure and metallic luster.

High-definition image of quartz specimen with visible inclusions and prismatic structure.
Quartz Crystal 2
Quartz Crystal 2
Quartz Crystal 2

High-definition image of quartz specimen with visible inclusions and prismatic structure.

High-definition image of quartz specimen with visible inclusions and prismatic structure.

USGS mineral specimen of quartz.
Quartz Crystal 3
Quartz Crystal 3
Quartz Crystal 3

USGS mineral specimen of quartz. High-definition image showing clear crystal faces and internal reflections.

USGS mineral specimen of quartz. High-definition image showing clear crystal faces and internal reflections.

Isolated sandstone specimen from the USGS mineral collection.
Sandstone Sample
Sandstone Sample
Sandstone Sample

Isolated sandstone specimen from the USGS mineral collection. High-definition image showing layered texture and earthy tones.

Isolated sandstone specimen from the USGS mineral collection. High-definition image showing layered texture and earthy tones.

High-definition image of sandstone specimen with fine-grained texture and reddish hue.
Sandstone Sample 2
Sandstone Sample 2
Sandstone Sample 2

High-definition image of sandstone specimen with fine-grained texture and reddish hue.

High-definition image of sandstone specimen with fine-grained texture and reddish hue.

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