Layer Estimates:

Layer: StoneMartensighting (ID:0)
Count: 64
Extent:

XMin: 178873.385299999
YMin: 572629.534000002
XMax: 189352.046100002
YMax: 582799.725499999
Spatial Reference: 28992 (28992)

Layer: Municipality Leeuwarden (ID:2)
Count: 1
Extent:

XMin: 177873.32
YMin: 562174.651
XMax: 192668.655
YMax: 584186.313
Spatial Reference: 28992 (28992)