Spatial Coverage
- Amsterdam1
- Amsterdam (Netherlands)1
- Arabian Peninsula1
- Arabian Peninsula.1
- Arctic regions1
- Asiatic Russia1
- Bahamas1
- Bering Sea1
- Bering Sea.1
- Blue Nile River (Ethiopia and Sudan)1
- Borneo1
- Caribbean Area1
- Central Region (Malawi)1
- Champion Bay (W.A.)1
- China1
- Colorado1
- Connecticut River Valley1
- Connecticut River Valley.1
- Eastern Province (Zambia)1
- Egypt1
