Layer Estimates:

Layer: AlaskaPortsandHarbors (ID:0)
Count: 149
Extent:

XMin: -19664917.777
YMin: 6773752.0479
XMax: -14472749.7537
YMax: 10321932.2043
Spatial Reference: 102100 (3857)

Layer: AlaskaSchoolDistricts (ID:1)
Count: 53
Extent:

XMin: -19951914.9256
YMin: 6652323.8706
XMax: 20021886.4032
YMax: 11554793.4704
Spatial Reference: 102100 (3857)