Layer Estimates:

Layer: PCA_Municipalities (ID:0)
Count: 2572
Extent:

XMin: -8975385.63579726
YMin: 4819719.95624414
XMax: -8307026.89617935
YMax: 5204068.56359606
Spatial Reference: 102100 (3857)

Layer: PCA_BlockGroups (ID:1)
Count: 10173
Extent:

XMin: -8963429.216
YMin: 4825308.5397
XMax: -8314404.0883
YMax: 5238602.0266
Spatial Reference: 102100 (3857)