Layer Estimates:

Layer: Counties_(v17a) (ID:0)
Count: 83
Extent:

XMin: -10065317.9386
YMin: 5115568.6575
XMax: -9174226.3997
YMax: 6150669.2843
Spatial Reference: 102100 (3857)

Layer: tl_2016_26_cousub (ID:1)
Count: 1578
Extent:

XMin: -10065330.180386
YMin: 5115568.67045414
XMax: -9141887.76755562
YMax: 6157926.23603415
Spatial Reference: 102100 (3857)