Layer Estimates:

Layer: Library Users (ID:0)
Count: 44046
Extent:

XMin: 290912
YMin: 67867
XMax: 631740
YMax: 674931
Spatial Reference: 27700 (27700)

Layer: East Riding Boundary (ID:1)
Count: 1
Extent:

XMin: 459313.6302
YMin: 410426.0976
XMax: 542255.9719
YMax: 476826.0002
Spatial Reference: 27700 (27700)