Spatial Coverage
- Louisiana4
- Ontario, Lake (N.Y. and Ont.)4
- Rome4
- Ukraine4
- Arizona3
- Brazil3
- Egypt3
- Green Bay (Wis. and Mich.)3
- New Mexico3
- Niagara River (N.Y. and Ont.)3
- Pennsylvania3
- Poland3
- Apostle Islands (Wis.)2
- Argentina2
- Bosnia and Hercegovina2
- Chicago2
- Chicago (Ill.)2
- Detroit River (Mich. and Ont.)2
- Hungary2
- Huron, Lake (Mich. and Ont.)2
