Layer Estimates:

Layer: Populated Places (ID:0)
Count: 349
Extent:

XMin: -19657332.0076
YMin: 6780102.5048
XMax: -14475798.8535
YMax: 11496319.4015
Spatial Reference: 102100 (3857)

Layer: UAA Monitoring Sites (ID:1)
Count: 34
Extent:

XMin: -17445908.7587
YMin: 8331602.6871
XMax: -17186290.2401
YMax: 8594580.8274
Spatial Reference: 102100 (3857)

Layer: NHD Named Rivers (ID:2)
Count: 9395
Extent:

XMin: -20006587.8523386
YMin: 6721055.44845093
XMax: -12957536.382962
YMax: 11515142.5252479
Spatial Reference: 102100 (3857)