Layer Estimates:

Layer: AK_Highways (ID:0)
Count: 693
Extent:

XMin: -18540984.7683099
YMin: 7145664.40606893
XMax: -14635015.1563885
YMax: 11504142.3526569
Spatial Reference: 102100 (3857)

Layer: AK_BlkGrps (ID:1)
Count: 517
Extent:

XMin: -19942590.6657695
YMin: 6659460.48484176
XMax: -14472263.4932287
YMax: 11537127.3335475
Spatial Reference: 102100 (3857)

Layer: AK_Counties (ID:2)
Count: 29
Extent:

XMin: -19839092.3042881
YMin: 6725080.70545049
XMax: -14470669.4389288
YMax: 11542624.9160411
Spatial Reference: 102100 (3857)

Layer: Alaska (ID:3)
Count: 1
Extent:

XMin: -19839092.3042881
YMin: 6725080.70545049
XMax: -14470669.4389288
YMax: 11542624.9160411
Spatial Reference: 102100 (3857)