Layer Estimates:

Layer: Perimeter1 (ID:0)
Count: 1
Extent:

XMin: -11789491.9608286
YMin: 4932782.28329586
XMax: -11710687.9741737
YMax: 4979934.3407874
Spatial Reference: 102100 (3857)

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

XMin: -12140533.4078653
YMin: 4438051.64783451
XMax: -11359139.5956075
YMax: 5012850.6695609
Spatial Reference: 102100 (3857)