Gravimetric
Characterization of the Earth's subsoil through variations in the density of materials
Characterization of the Earth's subsoil through variations in the density of materials
1921-1992
Key training instrument on tools and skills for professionals and users of geospatial information
Boundaries of municipalities, counties, vegueries, provinces and Catalonia. Capitals of the municipalities, counties and provinces are also included
Official municipal boundary lines with corresponding landmarks
New Geographic Information.