Unified Interior Regions

Arizona

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: 239
USGS
October 22, 2018

Textures of the Soils and Rocks at Gusev Crater from Spirit’s MI

Textures of the Soils and Rocks at Gusev Crater from Spirit’s Microscopic Imager.

Image: Arizona Upland Plant Community in the Sonoran Desert

Arizona Upland Plant Community in the Sonoran Desert

In the drier Arizona upland plant communities, pictured here, some species will likely decline with forecasted climate change (such as foothill paloverde, ocotillo and creosote bush) while cacti may well increase in abundance and range.

Attribution: Ecosystems
USGS
February 25, 2020

PDS and GIS CSV v2

USGS
October 1, 2018

IAU WGCCRE Coordinate System for Vesta

IAU WGCCRE Coordinate System for Vesta.

USGS
October 22, 2018

Overview of the MI Investigation during Spirit's first 450 sols

Overview of the Microscopic Imager Investigation during Spirit’s first 450 sols in Gusev crater.

USGS
October 1, 2018

2011 Erratum

2011 Erratum

USGS
October 22, 2018

Athena Microscopic Imager investigation

Athena Microscopic Imager investigation.

USGS
April 8, 2020

Aggregates Data by State, Type, and End Use; 1971–2016

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 2016 and replaces the discrete construction aggregate tables that were included in the individual State chapters prior to 2014. It contains

USGS
October 1, 2018

2009 Report (All Tables)

2009 Report (All Tables)

USGS
October 22, 2018

Microscopic Imager Calibration Report

Microscopic Imager Calibration Report.

USGS
October 1, 2018

Planetary Geologic Mapping Handbook 2010

Planetary Geologic Mapping Handbook 2010

USGS
October 22, 2018

In situ observations of the physical properties of the Martian surface

In situ observations of the physical properties of the Martian surface.