Layer Estimates:

Layer: Voor de Maeslantkering (ID:0)
Count: 12042
Extent:

XMin: 57010.6211777869
YMin: 431199.837527993
XMax: 80673.3320155151
YMax: 445997.956792669
Spatial Reference: PROJCS["RD_New",GEOGCS["GCS_Amersfoort",DATUM["D_Amersfoort",SPHEROID["Bessel_1841",6377397.155,299.1528128]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Stereographic"],PARAMETER["false_easting",155000.0],PARAMETER["false_northing",463000.0],PARAMETER["central_meridian",5.38763888888889],PARAMETER["scale_factor",0.9999079],PARAMETER["latitude_of_origin",52.15616055555555],UNIT["Meter",1.0]]

Layer: Achter de Maeslantkering (ID:1)
Count: 5694
Extent:

XMin: 77667.8893179775
YMin: 428747.572513644
XMax: 100001.105633316
YMax: 437221.739311903
Spatial Reference: PROJCS["RD_New",GEOGCS["GCS_Amersfoort",DATUM["D_Amersfoort",SPHEROID["Bessel_1841",6377397.155,299.1528128]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Stereographic"],PARAMETER["false_easting",155000.0],PARAMETER["false_northing",463000.0],PARAMETER["central_meridian",5.38763888888889],PARAMETER["scale_factor",0.9999079],PARAMETER["latitude_of_origin",52.15616055555555],UNIT["Meter",1.0]]