Album: Grand Portage Geologic Resources
Grand Portage National Monument
Images from the Grand Portage National Monument Geologic Resources Report. Natural Resource Report NPS/NRSS/GRD/NRR—2019/2025
25 items. Showing page 1 of 1, items 1 through 25
Grand Portage National Monument
Images from the Grand Portage National Monument Geologic Resources Report. Natural Resource Report NPS/NRSS/GRD/NRR—2019/2025
25 items. Showing page 1 of 1, items 1 through 25