Layer Estimates:

Layer: USCounties (ID:0)
Count: 3234
Extent:

XMin: -19951916.4837268
YMin: -1643353.73317949
XMax: 20021886.7298438
YMax: 11554352.6208824
Spatial Reference: 102100 (3857)

Layer: 'Life Expectancy$' (ID:1)
Count: 3194

Layer: Obesity$ (ID:2)
Count: 3194