Layer Estimates:

Layer: Counties Detailed (ID:0)
Count: 31
Extent:

XMin: -1189029.68277814
YMin: 6695907.52325162
XMax: -667502.591359957
YMax: 7449094.20023455
Spatial Reference: 102100 (3857)

Layer: Counties Generalised 20m (ID:1)
Count: 31
Extent:

XMin: -1189029.67146548
YMin: 6695910.35014502
XMax: -667502.590959507
YMax: 7449088.09028119
Spatial Reference: 102100 (3857)

Layer: Counties Generalised 50m (ID:2)
Count: 31
Extent:

XMin: -1189029.67146548
YMin: 6695910.35014502
XMax: -667502.590959507
YMax: 7449088.09028119
Spatial Reference: 102100 (3857)

Layer: Counties Generalised 100m (ID:3)
Count: 31
Extent:

XMin: -1189029.67146548
YMin: 6695910.35014502
XMax: -667502.590959507
YMax: 7449088.09028119
Spatial Reference: 102100 (3857)