Layer Estimates:

Layer: AtlasSheetsIndex (ID:0)
Count: 789
Extent:

XMin: 404406.350950304
YMin: 1201020.33872182
XMax: 468353.198532075
YMax: 1297322.43860411
Spatial Reference: 2882 (2882)

Layer: AtlasSheetMatchTable (ID:1)
Count: 3184