Layer Estimates:

Layer: world_forum_Import3DFiles (ID:0)
Count: 1
Extent:

XMin: 79282.8916999996
YMin: 456513.1252
XMax: 79412.5018000007
YMax: 456728.775800001
Spatial Reference: 28992 (28992)
Vertical Spatial Reference: 5621 (5621)