Layer Estimates:

Layer: Gebouwblokken nabij primaire keringen (ID:0)
Count: 1689
Extent:

XMin: 68006.8753999993
YMin: 429499.019000001
XMax: 100805.862
YMax: 445375.413699999
Spatial Reference: 28992 (28992)
Vertical Spatial Reference: 5709 (5709)

Layer: Gebouwblokken nabij regionale kering (ID:1)
Count: 1817
Extent:

XMin: 67618.5086000003
YMin: 429640.434999999
XMax: 100805.862
YMax: 446085.912999999
Spatial Reference: 28992 (28992)
Vertical Spatial Reference: 5709 (5709)