Bonneville Power Administration: Hungry Horse Reservoir Archaeological Aerial Site Mapping
In 2017, the Bonneville Power Administration contracted with Pathfinder to map archaeological sites on Hungry Horse Reservoir. Their goal was to gather spatial data on these sites that would show areas in the site being heavily impacted by erosion and to provide high resolution imagery that will serve as a benchmark for future comparison as reservoir erosion continues. It is part of broader efforts by the BPA to be stewards of the heritage resources they manage. Pathfinder was able to successfully deliver the required products.
Lewis and Clark National Forest: Camp Rotary Bridge Replacement
Pathfinder was approached by the Lewis and Clark National Forest to document a historic bridge prior to its removal. Pathfinder used its drone capability to produce quality photography and a 3D model of the bridge prior to its removal. The products served as a mitigation to the adverse effect of removing the historic bridge and the 3D model provided a to scale model of the bridge available in perpetuity.
Kootenai National Forest: Koocanusa Reservoir Erosion Monitoring
The Kootenai National Forest in NW Montana hired Pathfinder to map select erosion monitoring stations along Koocanusa Reservoir. The goal was to provide baseline data, in the form of high resolution aerial imagery and a digital surface model, for monitoring erosion going forward. Previously, they had used rebar stakes in the ground and measured to the shoreline to track erosion. With UAS data, they will be able to quantify the volume of erosion taking place from year to year and be able to clearly visualize changes to the shoreline with high resoution aerial imagery. The project is ongoing but was successful for the first phase.