Layer Estimates:

Layer: Detectors (ID:0)
Count: 472
Extent:

XMin: -9189761.93095878
YMin: 2992007.98134344
XMax: -8937129.58237035
YMax: 3530148.25552983
Spatial Reference: 102100 (3857)

Layer: Selected Segments (ID:1)
Count: 22
Extent:

XMin: -9189782.4326
YMin: 2992067.5403
XMax: -8937158.9481
YMax: 3530265.3591
Spatial Reference: 102100 (3857)