Layer Estimates:

Layer: NGS_Benchmarks (ID:0)
Count: 344
Extent:

XMin: -9389765.14989179
YMin: 3980353.38540927
XMax: -9354765.7999519
YMax: 4024184.89587371
Spatial Reference: 102100 (3857)

Layer: County_Boundary (ID:1)
Count: 9
Extent:

XMin: -9452928.52714488
YMin: 3929147.12108352
XMax: -9328217.89504839
YMax: 4084469.71284598
Spatial Reference: 102100 (3857)