Layer Estimates:

Layer: Slave_Advertisements_in_the_Midatlantic_Region_and_Southeast (ID:0)
Count: 75
Extent:

XMin: -9660483.52222555
YMin: 3773934.70030117
XMax: -8492104.53708034
YMax: 4763354.65888323
Spatial Reference: 102100 (3857)