Layer Estimates:

Layer: raods (ID:0)
Count: 93
Extent:

XMin: -10033308.8206402
YMin: 3489735.39149104
XMax: -9989080.68294245
YMax: 3527732.97638781
Spatial Reference: 102100 (3857)

Layer: block groups with data (ID:1)
Count: 440
Extent:

XMin: -10034347.7657821
YMin: 3486422.54030761
XMax: -9977015.87311919
YMax: 3529112.08496418
Spatial Reference: 102100 (3857)