Unified Interior Regions

California

The Southwest Region includes California, Nevada, and Arizona. The Regional Office, headquartered in Sacramento, provides Center oversight and support, facilitates internal and external collaborations, and works to further USGS strategic science directions.

States L2 Landing Page Tabs

Filter Total Items: 1,116
This image shows the brightest pixel values captured during 10 minutes of video.

Santa Cruz Cowells Beach video camera bright image

Video camera bright image at Cowells Beach in Santa Cruz, California, looking southward. Learn more about the cameras and how we're using them to study coastal change.

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Whiskeytown National Recreation Area Post-fire Recovery

A landscape at Whiskeytown National Recreation Area 2 months and 9 months after summer 2018's Carr Fire near Redding, California, where USGS WERC researchers are studying fire impacts, post-fire vegetation recovery, and post-fire erosion and debris flows.

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Image: Southern California's Fire Landscape

Southern California's Fire Landscape

A screenshot from the USGS film "Living with Fire".

USGS is investigating ways to balance community fire risk management and native habitat conservation as part of the USGS Southern California Wildfire Risk Scenario Project, analyzing both human factors and natural factors.

Fire images courtesy of Tim Walton, Photo One Productions, CALFIRE. Shared with

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Image: Suisun Slough, California

Suisun Slough, California

A small slough in Suisun Slough in the Suisun Bay, California.

Attribution: Ecosystems
Image of a beach made by stacking many video frames together, to give a sense of change in a static image.

Santa Cruz Main Beach video camera dark image

Video camera dark image at Main Beach in Santa Cruz, California, looking eastward. Learn more about the cameras and how we're using them to study coastal change.

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Black and white outline of snake coiled up on a duck nest, with its mouth around an egg
June 20, 2019

Coloring Sheet: Gopher Snake Attempts to Eat a Duck Egg

A PDF copy of a coloring sheet showing a gopher snake attempting to eat a duck egg in a nest, based on an image taken in Suisun Marsh, California.

Image: Golden Gate Bridge, California

Golden Gate Bridge, California

The Golden Gate Bridge seen through Racoon Strait in the San Francisco Bay, California.

Attribution: Ecosystems
Image of a beach made by stacking many video frames together, to give a sense of change in a static image.

Santa Cruz Cowells Beach video camera dark image

Video camera dark image at Cowells Beach in Santa Cruz, California, looking southward. Learn more about the cameras and how we're using them to study coastal change.

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USGS
August 3, 2021

Aggregates Data by State, Type, and End Use; 1971–2018

This data set contains supplemental aggregates data for the USGS Minerals Yearbook Volume II—Area Reports: Domestic. It contains data for the years 1971 through 2018 and replaces the discrete construction aggregate tables that were included in the individual State chapters prior to 2014. It contains