Layer Estimates:

Layer: Boreholes (ID:0)
Count: 163370
Extent:

XMin: -19621883.6655737
YMin: -2350612.05720126
XMax: 18056018.2897232
YMax: 11499533.4018104
Spatial Reference: 102100 (3857)

Layer: Logs (ID:1)
Count: 136004

Layer: Materials (ID:2)
Count: 146831

Layer: Purposes (ID:3)
Count: 168255