USGS plans low-level flights to map geology in western Idaho

The U.S. Geological Survey said in an announcement published 23 October 2026 that it plans low-level helicopter flights over western Idaho in October and early November to image geology with airborne geophysical technology. The survey is intended to map critical minerals, energy resources and earthquake hazards.

The flights are a collaboration between the U.S. Geological Survey's Earth Mapping Resources Initiative and the Idaho Geological Survey. The initiative is intended to modernize national maps of geology and mineral resources and identify energy and groundwater resources and natural hazards.

Jamey Jones, science coordinator for the Earth Mapping Resources Initiative, said partnership with state surveys helps accomplish national goals for mapping critical minerals. He said the Idaho Geological Survey is adding state knowledge about water resources, hazards and the resource economy.

Claudio Berti, State Geologist and Director of the Idaho Geological Survey, said the work will advance understanding of regional geology. He said the new geophysical data will support geologic mapping and research, identify areas for further investigation and strengthen Idaho's ability to manage economic and natural resources.

The survey will cover part of the Hitt Mountains and Cuddy and Horse Mountain in west central Idaho. Historical mining records indicate a broad distribution of antimony, copper, gold, lead, manganese, molybdenum, silver and zinc. The survey will collect magnetic and radiometric data along pre-planned flight lines spaced 660 feet (200 meters) apart at a nominal terrain clearance of 330 feet (100 meters).

The U.S. Geological Survey has contracted NRG Exploration USA Inc. and Woolpert to collect the data. Their AS350 helicopters will carry passive sensors that present no risk of emissions to humans, animals or plant life. No photography or video will be collected. Flights will operate only in daylight from Council Municipal Airport (U82) and cover Adams and Washington counties in Idaho, with some flights edging into Baker and Wallowa counties in Oregon.