Layer Estimates:

Layer: AllPlaces (ID:0)
Count: 606
Extent:

XMin: -673973.439136039
YMin: 6510196.16177119
XMax: 134768.915626524
YMax: 8083274.1352548
Spatial Reference: 102100 (3857)

Layer: Rivers_GM (ID:1)
Count: 83
Extent:

XMin: -626014.554499999
YMin: 6504690.5686
XMax: 121381.914900002
YMax: 8092572.8628
Spatial Reference: 102100 (3857)

Layer: Coastline_GM (ID:2)
Count: 58
Extent:

XMin: -691328.101300001
YMin: 6370395.2002
XMax: 149999.694700001
YMax: 8167310.2582
Spatial Reference: 102100 (3857)