Layer Estimates:

Layer: Smartphone Location Tracking (ID:0)
Count: 317
Extent:

XMin: -13046484.5129
YMin: 4036294.5091
XMax: -13045829.6437
YMax: 4036674.7625
Spatial Reference: 102100 (3857)

Layer: ReferenceWalkingTrail (ID:1)
Count: 1
Extent:

XMin: -13046480.0785
YMin: 4036294.3722
XMax: -13045832.2884
YMax: 4036660.6618
Spatial Reference: 102100 (3857)

Layer: ReferenceThreeMeterBuffer (ID:2)
Count: 1
Extent:

XMin: -13046483.6959015
YMin: 4036290.73828208
XMax: -13045828.6711225
YMax: 4036664.29486707
Spatial Reference: 102100 (3857)