Layer Estimates:

Layer: 2010 US Counties (ID:6)
Count: 3119
Extent:

XMin: -19051431.8977319
YMin: -1643353.73077262
XMax: 16269834.8359432
YMax: 6340334.07638104
Spatial Reference: 102100 (3857)

Layer: QWI2011SHT1$ (ID:5)
Count: 3142