Isopieze The aquifer of September 2009 (quota s.l.m. — isoline step 5 m) obtained from elaborations in the GIS environment of the punctual piezometric data of the Environmental Information System. The Province of Milan has periodically elaborated a cartography of piezometries and subjucence of the surface aquifer according to representative methodology adopted since 2005.
Technical data:
Working Scale: 1:10.000
Coordinate System: Gauss-Boaga (West cast) — Gauss-compliant transverse cylindrical projection — Reference ellipsoid: Hayford International ellipsoid — Rome '40.
Type of vector data (shapefile): Polyline
Geographical Coverage: Administrative area of the Province of Milan (North-West X: 1.477.012 Y: 5.065.677 South — East X: 1.543.096 Y: 5.001.013)
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