Layer Estimates:

Layer: Buildings (ID:0)
Count: 19748
Extent:

XMin: 80707
YMin: 6442
XMax: 655202
YMax: 652534
Spatial Reference: 27700 (27700)

Layer: Quarries (ID:1)
Count: 15768
Extent:

XMin: 144508
YMin: 12900
XMax: 645500
YMax: 651115
Spatial Reference: 27700 (27700)