Layer Estimates:

Layer: us_house (ID:0)
Count: 13
Extent:

XMin: -9386667.98
YMin: 3995668.5396
XMax: -8393503.0173
YMax: 4381856.5924
Spatial Reference: 102100 (3857)

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

XMin: -9397826.86364773
YMin: 3992680.35477131
XMax: -8395274.63447784
YMax: 4385891.73544798
Spatial Reference: 102100 (3857)