Layer Estimates:

Layer: Sq___Points_NewNames (ID:0)
Count: 648
Extent:

XMin: -17654160.4146
YMin: 3386079.9432
XMax: -7643849.0875
YMax: 10331749.8327
Spatial Reference: 102100 (3857)

Layer: ReplacementNames (ID:1)
Count: 644

Layer: Master$ (ID:2)
Count: 643

Layer: NamesFromMaria (ID:3)
Count: 643