Images

The Dolores River, CO, a tributary of the Colorado River. USGS scientists are studying salinity in the Upper Colorado Basin.

Salt deposits outside Moab, UT. USGS scientists are studying how salinity in the Upper Colorado Basin has changed over time and how factors like irrigation and climate influence salinity.

Scientists prepare to remove water-quality platform from the lake for the winter. 

USGS boat approaches water-quality platform. Technicians prepare to pull anchor and remove for lake for winter.

USGS prepares to connect with water-quality platform to service instrumentation and prepare to remove from lake for winter.

Photographer, Jake Seawolf, captured an aerial view of Bear Lake, USGS boat, and employees on a water-quality platform on a cold and blustery November day using a drone. Jake volunteered his time and talents with the USGS. He is a full-time professional photographer for the US Army.

Title page from the Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD), Techniques and Methods 11-A3, Fifth Edition, 2022.This document establishes Federal standards and procedures for creating the WBD as seamless and hierarchical hydrologic unit data, based on topographic and hydrologic features at a 1:24,000 scale (Alaska at 1:

Natural Color Landsat 8 image of the Great Salt Lake, acquired on July 3, 2022. On July 3, the level of Great Salt Lake dropped below the October 2021 historic low elevation.

Ruby Lake National Wildlife Refuge lies at the southern end of Ruby Valley in northeast Nevada. For more information visit the Ruby Lake NWR website.

Photo looking downstream from the Pack Creek Road Bridge shows the rain gage on top with a USGS sticker. Below is a solar panel for power. The other white round object contains the data logger and satellite antenna.

USGS hydrologic technician Travis Gibson confirms Great Salt Lake water levels at the SaltAire gauge.

A sailboat is removed from the Great Salt Lake Marina due to low lake levels. 

Decreasing water levels in the southern arm of the Great Salt Lake expose microbialite communities that are normally underwater.  

USGS hydrologist Adam Birken prepares to measure streamflow on the South Fork of the Ogden River near Hunstville, Utah. This streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah. 

This is a chart recorder similar to the one installed inside the USGS streamgage on the South Fork of the Ogden River in 1921. 

USGS hydrologist Adam Birken conducts equipment maintenance at the USGS streamgage on the South Fork of the Ogden River near Hunstville, Utah. This streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah. 

USGS hydrologist Adam Birken cleans and inspects the water height reference staff at the USGS streamgage site on the South Fork of the Ogden River near Hunstville, Utah.  This streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah. 

A U.S. Geological Survey streamgage near Hunstville, Utah is celebrating 100 years of monitoring streamflow on the south fork of the Ogden River. The streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah. 

A U.S. Geological Survey streamgage near Hunstville, Utah is celebrating 100 years of monitoring streamflow on the south fork of the Ogden River. The streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah. 

Modern equipment currently in use at the South Fork of the Ogden River streamgage, to include; an electronic data logger, pressure transducer and GOES radio. This streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah. The equipment used to collect data has changed significantly over the pas

Description of the South Fork of the Ogden River streamgage included in USGS Water-Supply Paper 530 "Surface Water Supply of the United States, 1921, Part X.