Airborne Electromagnetic Survey
Updated September 9/25/2025
Grant SWCD Hosted Dr. Justin Rittgers, Geophysicist.
On September 24, Dr. Rittgers presented the findings from the Airborne Electromagnetic Survey of the John Day River Valley, which was performed last fall. Please see the link at the bottom of the page to view the presentation.
Check back here for the final report. Grant SWCD will post it as soon as it is available.

Hooking up the sensor array to the helicopter; photo courtesy of Dominic Leblanc SkyTEM Canada Field Manager

Photo of sensor array at the Grant County Regional Airport; photo taken by Dominic Leblanc SkyTEM Canada Field Manager

Helicopter with sensor array lifting off the ground.

Map of areas to be surveyed
Veiw Dr. Rittgers' Presentation from 9/24/2025
Click Link Below
Grant SWCD BOR AEM Presentation
More information to be provided shortly:
