Layer Estimates:

Layer: Current Day Pop (ID:0)
Count: 11
Extent:

XMin: -8618271.82405662
YMin: 4509770.23070263
XMax: -8614704.48955696
YMax: 4512727.6181542
Spatial Reference: 102100 (3857)

Layer: 1950 Pop (ID:1)
Count: 11
Extent:

XMin: -8618271.82405662
YMin: 4509770.23070263
XMax: -8614704.48955696
YMax: 4512727.6181542
Spatial Reference: 102100 (3857)

Layer: EDBlocks (ID:2)
Count: 144
Extent:

XMin: -8618243.51116722
YMin: 4509793.59839114
XMax: -8614724.99579999
YMax: 4512695.42631301
Spatial Reference: 102100 (3857)