Spatial Coverage
- Glen Canyon National Recreation Area (Utah and Ariz.)1
- Glen Canyon National Recreation Area.1
- Glen Canyon.1
- Gulf Coast (U.S.)1
- Illinois1
- Illinois.1
- Iowa1
- Katmai National Park and Preserve Region1
- Lake Winnipeg.1
- Lees Ferry1
- Lees Ferry (Ariz.)1
- Lees Ferry.1
- Long Island Sound (N.Y. and Conn.)1
- Manitoba.1
- Michigan.1
- Middle Atlantic States1
- Middle West1
- Minnesota.1
- Missouri1
- Montana1
