Spatial Coverage
- Louisiana3
- Maryland, Southern3
- Mohave County3
- Mongolia3
- New Mexico3
- North Carolina3
- North Dakota3
- North Pacific Ocean3
- Ohio3
- Superior, Lake3
- Ventura County3
- Antarctica2
- Atlantic Coast (Mass.)2
- Atlantic Coast (Me.)2
- Atlantic Coast (R.I.)2
- Bodega Bay (Calif. : Bay)2
- Catron County2
- Chesapeake Bay (Md. and Va.)2
- Chicago2
- China2
