Layer Estimates:

Layer: Postmiles (ID:0)
Count: 311298
Extent:

XMin: -13833100.8734
YMin: 3834974.5522
XMax: -12723629.4945
YMax: 5161799.8975
Spatial Reference: 102100 (3857)

Layer: Map Index (ID:1)
Count: 21222
Extent:

XMin: -13751387.6034872
YMin: 4417728.0198246
XMax: -13491661.1450035
YMax: 4710942.52566836
Spatial Reference: 102100 (3857)