Layer Estimates:

Layer: Sheet1 (ID:0)
Count: 16
Extent:

XMin: -11440504.3944521
YMin: -3592057.36753602
XMax: 19790436.2679395
YMax: 5135259.19427432
Spatial Reference: 102100 (3857)

Layer: Review (ID:1)
Count: 6