Layer Estimates:

Layer: EarlyRiverValleyCivilizations (ID:0)
Count: 4
Extent:

XMin: 3116182
YMin: 1739096
XMax: 13279249
YMax: 4948228
Spatial Reference: 102100 (3857)

Layer: Climate_Zones_Desert_Steppe (ID:1)
Count: 253
Extent:

XMin: -15266799.5296
YMin: -7028371.2828
XMax: 16705793.6952
YMax: 8862159.5304
Spatial Reference: 102100 (3857)