Images

Picture of Paul H Rydlund, new profile picture. Picture was taking on 12/21/2023.

At the USGS, we monitor our nation’s water. Our data informs many people, from kayakers to water managers. Gage Greatness allows any Twitter user to vote for their favorite gage (data collection station).

This map shows the airborne geophysical survey area and planned flight paths across the Illinois River Basin in Illinois and northwest Indiana. Surveys will not occur directly over areas that are populated. Planned flight lines and survey progress can be found online. 

(USGS map) 

National Park Service Biological Technician Eileen Kramer harvests her first white-tailed deer in New York.

USGS Research Biologist Nathan Johnson’s son Bryce harvests his first white-tailed deer on private property near High Springs, Florida.

USGS, Central Midwest Water Science, Hydrologic Technician, Daniel Grant is preparing to monitor lake bathymetric data on a Cook County Illinois lake.

USGS Central Midwest Water Science Center hydrologic technician Josh Keele monitors lake bathymetric data as its collected from an Acoustic Doppler Current Profiler (ADCP) mounted on a tethered trimaran with real-time GPS positioning.

Connecting MBES data on Hazel Creek Lake near Kirksville MO. April 2021. Photo by Rick Huizinga (USGS).

The Ecomapper is an autonomous underwater vehicle (AUV) that is a specialized submersibile device that operates by propelling through a water body between points along a constant depth.

Sandhill Crane Pair in flight at Glacial Ridge National Wildlife Refuge

Young moose near Benoit, Minnesota, Glacial Ridge National Wildlife Refuge

Ephemeral wetlands at Glacial Ridge National Wildlife Refuge

A well at a restored prairie on Lake Agassiz beach ridge, Glacial Ridge National Wildlife Refuge

USGS hydrologist Tim Cowdery titrates water alkalinity in a mobile sampling van using an electronic field form.

Beach-ridge prairie at Glacial Ridge National Wildlife Refuge

Morning fog over beach ridges at Glacial Ridge National Wildlife Refuge

Prairie Dog, Glacial Ridge National Wildlife Refuge

USGS technician Jody Hulne collects a groundwater nutrient sample at Glacial Ridge National Wildlife Refuge.

Fog Over Glacial Ridge National Wildlife Refuge

Entrance for the Urbana, IL office of the Central Midwest Water Science Center. Located in the North deck parking garage on the University of Illinois campus. Entrance is on east side of building; address 405 N Goodwin Ave, Urbana, IL 6180. Contact office for visitor parking information at 217-328-8747.

USGS hydrologist Taylor Dudunake assesses the rip-rap countermeasure along the pier of the Iowa State Route 76 bridge over the Upper Iowa River near Dorchester, Iowa. The assessment was part of a nationwide study of bridge scour countermeasures the USGS conducted on behalf of the Federal Highway Administration.