Spatial Coverage
- Gulf Coast (Fla.)5
- Maryland5
- Montana5
- Pacific Coast (Or.)5
- Aleutian Islands (Alaska)4
- Columbia River4
- Florida4
- Gulf Coast (Tex.)4
- Houston Ship Channel (Tex.)4
- Idaho4
- Long Island Sound (N.Y. and Conn.)4
- Mark Twain National Forest (Mo.)4
- New Hampshire4
- North Atlantic Ocean4
- Pacific Coast (Wash.)4
- Puerto Rico4
- Texas4
- Washington (State)4
- Arizona3
- Atlantic Coast (N.C.)3
