Layer Estimates:

Layer: Colorad_intrstat_highways (ID:0)
Count: 10
Extent:

XMin: -12139602.346729
YMin: 4438261.66599976
XMax: -11359965.4507283
YMax: 5012138.00197465
Spatial Reference: 102100 (3857)

Layer: Colorado_counties (ID:1)
Count: 64
Extent:

XMin: -12140042.9240386
YMin: 4437572.78660438
XMax: -11358729.9900429
YMax: 5012839.50262877
Spatial Reference: 102100 (3857)

Layer: Colorado_Boundary (ID:9)
Count: 1
Extent:

XMin: -12140042.9240386
YMin: 4437572.7866044
XMax: -11358729.9900429
YMax: 5012839.50262877
Spatial Reference: 102100 (3857)