Spatial Coverage
- Michigan, Lake57
- South America57
- California, Southern56
- Emery County56
- Alaska.55
- New Haven (Conn.)55
- Central America54
- Moon54
- San Bernardino County54
- South Africa54
- South Pacific Ocean54
- Soviet Union54
- Pacific Coast (Calif.)53
- Madison County52
- Indian Territory51
- Long Island Sound (N.Y. and Conn.)51
- Northeastern States51
- San Juan County (N.M.)51
- Spain51
- Wyoming.51
