Layer Estimates:

Layer: airports (ID:0)
Count: 946
Extent:

XMin: -19664147.9910308
YMin: 2002645.88619864
XMax: -7213694.45735979
YMax: 11500586.8865374
Spatial Reference: 102100 (3857)

Layer: states_subtypes (ID:1)
Count: 52
Extent:

XMin: -19839092.3042881
YMin: 2145729.67991779
XMax: -7454985.14651674
YMax: 11542624.9160411
Spatial Reference: 102100 (3857)