Layer Estimates:

Layer: Monitoring Stations (ID:0)
Count: 261
Extent:

XMin: -13826046.6225952
YMin: 3834864.16362078
XMax: -12757446.3026842
YMax: 5120141.36301223
Spatial Reference: 102100 (3857)

Layer: CA Counties Boundaries (ID:1)
Count: 58
Extent:

XMin: -13847325.1553246
YMin: 3833847.56923383
XMax: -12705028.292116
YMax: 5162405.1510897
Spatial Reference: 102100 (3857)