Layer Estimates:

Layer: Subway Station (ID:0)
Count: 494
Extent:

XMin: -8265690.6412
YMin: 4940739.1365
XMax: -8210414.263
YMax: 4998116.9432
Spatial Reference: 102100 (3857)

Layer: Distance from Stations (ID:1)
Count: 3
Extent:

XMin: -8266451.6245
YMin: 4939975.2182
XMax: -8209652.246
YMax: 4998885.3641
Spatial Reference: 102100 (3857)

Layer: Census Tracts (ID:2)
Count: 2325
Extent:

XMin: -8266094.61907711
YMin: 4938303.22787755
XMax: -8204247.48040484
YMax: 4999890.73959825
Spatial Reference: 102100 (3857)