Layer Estimates:

Layer: Riverside_County_FCC_v3_data_by_census_block_final (ID:0)
Count: 29144
Extent:

XMin: -13099709.8857002
YMin: 3951971.52830222
XMax: -12738841.5333464
YMax: 4039534.22765299
Spatial Reference: 102100 (3857)