Layer Estimates:

Layer: Top10EcoregionsPopulation (ID:0)
Count: 10
Extent:

XMin: -14143595.30897
YMin: 3552559.24602323
XMax: -11410247.7322708
YMax: 6565100.47648256
Spatial Reference: 102100 (3857)

Layer: Top10Ecoregions (ID:1)
Count: 10
Extent:

XMin: -14143595.30897
YMin: 3552559.24602323
XMax: -11410247.7322708
YMax: 6565100.47648256
Spatial Reference: 102100 (3857)

Layer: WesternUSOutline (ID:2)
Count: 1
Extent:

XMin: -13888508.3922538
YMin: 3675969.3798933
XMax: -11359208.3760607
YMax: 6275271.80449215
Spatial Reference: 102100 (3857)