Layer Estimates:

Layer: FireStations (ID:0)
Count: 43
Extent:

XMin: -122.504850647
YMin: 37.7109223780001
XMax: -122.373498965
YMax: 37.8253968530001
Spatial Reference: 4326 (4326)

Layer: Highways (ID:1)
Count: 1628
Extent:

XMin: -122.516826
YMin: 37.6382340000001
XMax: -122.178186
YMax: 37.9086110000001
Spatial Reference: 4326 (4326)

Layer: Parks (ID:2)
Count: 305
Extent:

XMin: -122.649822385
YMin: 37.64
XMax: -122.18
YMax: 37.9050000000001
Spatial Reference: 4326 (4326)