Layer Estimates:

Layer: us-airports (ID:0)
Count: 733
Extent:

XMin: -9439660.90369205
YMin: 4638822.05421728
XMax: -8963731.52073434
YMax: 5143070.3632712
Spatial Reference: 102100 (3857)

Layer: county_gdp (ID:1)
Count: 88
Extent:

XMin: -9453079.85154799
YMin: 4633272.74761354
XMax: -8958990.07904947
YMax: 5159998.88097074
Spatial Reference: 102100 (3857)

Layer: Sheet1$ (ID:2)
Count: 1631