Layer Estimates:

Layer: 15_Minute_Driving_Time_Buffer (ID:0)
Count: 1
Extent:

XMin: -8304961.9859
YMin: 4919309.497
XMax: -8268112.1545
YMax: 4951879.7749
Spatial Reference: 102100 (3857)

Layer: Reachable Streets (ID:1)
Count: 70382
Extent:

XMin: -8304855.3944
YMin: 4919333.1191
XMax: -8268148.7251
YMax: 4951811.7002
Spatial Reference: 102100 (3857)