Layer Estimates:

Layer: Backbone Trail - Trackpoints (ID:0)
Count: 2316
Extent:

XMin: -13234046.0801
YMin: 4036096.3999
XMax: -13192762.8099
YMax: 4043621.7701
Spatial Reference: 102100 (3857)

Layer: Backbone Trail (ID:1)
Count: 1
Extent:

XMin: -13234046.08
YMin: 4036096.4
XMax: -13192762.81
YMax: 4043621.77
Spatial Reference: 102100 (3857)