Layer Estimates:

Layer: USGS_Quads (ID:0)
Count: 264435
Extent:

XMin: -19963297.0558
YMin: -1618231.5625
XMax: 20037506.6464
YMax: 11575439.9765
Spatial Reference: 102100 (3857)
Vertical Spatial Reference: 5703 (5703)