Layer Estimates:

Layer: Bouwmaterialen (ID:0)
Count: 210
Extent:

XMin: -6396700.03442075
YMin: 510254.201981968
XMax: -6017590.81770629
YMax: 663494.487127593
Spatial Reference: 102100 (3857)

Layer: Exploitatie (ID:1)
Count: 65
Extent:

XMin: -6204708.7076639
YMin: 338685.649898165
XMax: -6008356.86560106
YMax: 596425.040077184
Spatial Reference: 102100 (3857)

Layer: Exploratie (ID:2)
Count: 103
Extent:

XMin: -6224187.10147441
YMin: 279250.622278005
XMax: -6015011.77118866
YMax: 598315.764249154
Spatial Reference: 102100 (3857)

Layer: Kleinmijnbouw (ID:3)
Count: 12
Extent:

XMin: -6170006.68856793
YMin: 440327.600219812
XMax: -6076105.92397978
YMax: 558525.6965956
Spatial Reference: 102100 (3857)