U.S. Geological Survey
Hydrologic Technician Sam Banas performing an electrical tape down measurement of a groundwater well. Image credit: Sam Banas, USGS

Selected relevant areas of focus include but are not limited to the following:

Contacts

Technical Representatives

Todd Chaudhry

Science Advisor

tchaudhry@usgs.gov

Last Updated: June 10, 2024

Administrative Contacts

Sherri Bredesen

Chief, National Grants Branch, Office of Acquisition and Grants

sbredesen@usgs.gov

Last Updated: April 3, 2025