Spatial Coverage
- Mato Grosso (Mato Grosso, Brazil)1
- Mato Grosso (State)1
- Mato Grosso do Sul1
- Mato Grosso do Sul (Brazil)1
- Mendoza1
- Mendoza (Argentina)1
- Mexico (State)1
- Monterrey1
- Monterrey (Mexico)1
- Montevideo1
- Mucuri River (Bahia and Minas Gerais)1
- Mucuri River (Bahia and Minas Gerais, Brazil)1
- Muir Glacier (Alaska)1
- Muir Inlet (Alaska)1
- Nahuel Huapí Lake (Argentina)1
- Nahuel Huapí Lake Region1
- Neuquén (Province)1
- New York (State)1
- Nicaragua, Lake (Nicaragua)1
- Orinoco River Delta1
