Layer Estimates:

Layer: historic_lakes_Lab_5_Clint_Easterling_ (ID:0)
Count: 6
Extent:

XMin: -17307734.3825575
YMin: -4543624.64902115
XMax: 10069798.8139311
YMax: 5920214.67838026
Spatial Reference: 102100 (3857)