Grand Portage National Monument Aerial Imagery 2009
National Park Service. 2025. Grand Portage National Monument Aerial Imagery 2009
Aerial imagery collected on the border between Canada and United States during the summer/fall of 2009. Imagery was collected via a contract with the US National Geospatial Agency.
- Type
- Imagery
- Authors
- Kirschbaum, Al
- Date of Issue
- 2025-05-23
- Publisher
- National Park Service
- Units
- GRPO
- Keywords
- aerial imagery, airphoto, Cook County, Grand Portage National Monument, GRPO, Minnesota