Layer Estimates:

Layer: Openingen_werfkelders (ID:1)
Count: 1496
Extent:

XMin: 136419.388999999
YMin: 454880.307
XMax: 137199.853999998
YMax: 456544.907000002
Spatial Reference: 28992 (28992)

Layer: Werfkelder (ID:4)
Count: 967
Extent:

XMin: 136412.614
YMin: 454735.510581475
XMax: 137199.873007999
YMax: 456551.109789566
Spatial Reference: 28992 (28992)