Layer Estimates:

Layer: Points (ID:0)
Count: 21
Extent:

XMin: -88.0870000012219
YMin: 36.3555000014603
XMax: -71.2740999981761
YMax: 77.7947999984026
Spatial Reference: 102100 (3857)

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

XMin: -86.0243999995291
YMin: 36.8449000008404
XMax: -86.0243999995291
YMax: 36.8449000008404
Spatial Reference: 102100 (3857)