Layer Estimates:

Layer: AncillaryDataPoints (ID:0)
Count: 968
Extent:

XMin: -13681360.6112
YMin: 4034567.2834
XMax: -8400931.4769
YMax: 5950268.6367
Spatial Reference: 102100 (3857)
Vertical Spatial Reference: 115700 (115700)