Layer Estimates:

Layer: Historical_Cultural_Political_Points (ID:0)
Count: 16081
Extent:

XMin: -19818952.8156
YMin: -1608688.4561
XMax: 19325062.0359
YMax: 11361554.1412
Spatial Reference: 102100 (3857)

Layer: Historical_Hydrographic_Points (ID:1)
Count: 1947
Extent:

XMin: -17769747.52
YMin: 1503562.1782
XMax: 16104219.1431
YMax: 10792979.8351
Spatial Reference: 102100 (3857)

Layer: Historical_Physical_Points (ID:2)
Count: 1191
Extent:

XMin: -17736907.1249
YMin: 1509284.11910001
XMax: 16104219.1431
YMax: 11526405.6343
Spatial Reference: 102100 (3857)