Layer Estimates:

Layer: Tracts_Reading (ID:0)
Count: 84112
Extent:

XMin: -19942765.3261
YMin: 2144424.2793
XMax: -7452796.2627
YMax: 11528300.5678
Spatial Reference: 102100 (3857)

Layer: Tracts_HispLat (ID:1)
Count: 85034
Extent:

XMin: -19942580.7884
YMin: 2023651.5978
XMax: 20012846.0377
YMax: 11537091.6297
Spatial Reference: 102100 (3857)

Layer: Tracts_population (ID:2)
Count: 85034
Extent:

XMin: -19942580.7884
YMin: 2023651.5978
XMax: 20012846.0377
YMax: 11537091.6297
Spatial Reference: 102100 (3857)