Layer Estimates:

Layer: DateDataLayer (ID:0)
Count: 4
Extent:

XMin: -99.6494334339004
YMin: 34.1284861131434
XMax: -90.196966916118
YMax: 42.3813182407632
Spatial Reference: GEOGCS["WGS84(DD)",DATUM["WGS84",SPHEROID["WGS84",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]