Spatial Coverage
- Duluth1
- Eagle Harbor (Mich.)1
- Florida1
- Gargantua Harbor (Ont.)1
- Grand Island (Alger County, Mich.)1
- Grand Marais1
- Grand Marais (Mich. : Harbor)1
- Grand Marais (Minn. : Harbor)1
- Grand Marais (Minn.)1
- Harbors1
- Keweenaw Bay (Mich. : Bay)1
- Michigan.1
- Michipicoten Harbor (Ont.)1
- Minnesota1
- Munising1
- North America1
- Ontario1
- Ontario.1
- Ontonagon1
- Ontonagon (Mich.)1
