Layer Estimates:

Layer: ARTRWzones (ID:0)
Count: 40
Extent:

XMin: -13483367.9406894
YMin: 4026325.75785562
XMax: -11278736.1748019
YMax: 6274910.75537205
Spatial Reference: 102100 (3857)

Layer: EcoregionsIII (ID:1)
Count: 85
Extent:

XMin: -14236291.8296212
YMin: 2619544.43913607
XMax: -7274255.93495507
YMax: 6728995.16877401
Spatial Reference: 102100 (3857)