Layer Estimates:

Layer: Office_Buildings (ID:0)
Count: 621
Extent:

XMin: 598007.1896
YMin: 4815699.9028
XMax: 616475.3053
YMax: 4841637.4259
Spatial Reference: 26917 (26917)

Layer: Office_Centres (ID:1)
Count: 467
Extent:

XMin: 597851.7963
YMin: 4815583.5116
XMax: 616483.5304
YMax: 4841674.8344
Spatial Reference: 26917 (26917)