Layer Estimates:

Layer: X-Stream Challenge (ID:0)
Count: 44
Extent:

XMin: -12360471.5257061
YMin: 5013854.15685459
XMax: -11586603.0994458
YMax: 5618877.50738739
Spatial Reference: 102100 (3857)

Layer: Challenge Segments (ID:1)
Count: 50
Extent:

XMin: -12361342.9319
YMin: 5011981.188
XMax: -11586476.4923
YMax: 5618628.0642
Spatial Reference: 102100 (3857)