Layer Estimates:

Layer: Practice layer (ID:0)
Count: 9
Extent:

XMin: -16679096.2558344
YMin: 8670200.06172748
XMax: -16678695.0399517
YMax: 8670895.29879383
Spatial Reference: 102100 (3857)

Layer: Practice layer (2) (ID:1)
Count: 4
Extent:

XMin: -16679134.7145848
YMin: 8670158.16585453
XMax: -16678417.788121
YMax: 8670801.64188124
Spatial Reference: 102100 (3857)

Layer: Practice layer (1) (ID:2)
Count: 1
Extent:

XMin: -16679438.6747562
YMin: 8669456.88652283
XMax: -16679389.3766774
YMax: 8669601.09506684
Spatial Reference: 102100 (3857)