Layer Estimates:

Layer: CountyLines (ID:0)
Count: 524
Extent:

XMin: -12932941.1870657
YMin: 5502305.00105871
XMax: -11533939.2763379
YMax: 6305608.23271745
Spatial Reference: 102100 (3857)

Layer: Annexations (ID:1)
Count: 2486