Measurements of gravimetric anomalies and zoning of the territory according to them: the gravimetric anomaly of Bouguer at a scale of 1:250,000 and 1:500,000; the regional gravimetric anomaly at a scale of 1:250,000; and the residual gravimetric anomaly at a scale of 1:250,000.

Map of Catalonia at 1:500 000 with topographic, use of soils, bathymetric and road information.