Layer Estimates:

Layer: mines (ID:0)
Count: 11446
Extent:

XMin: -94.5008300004042
YMin: 45.7622200045496
XMax: -87.390839999966
YMax: 47.9138899333738
Spatial Reference: GEOGCS["NAD27",DATUM["North American Datum 1927",SPHEROID["Clarke 1866",6378206.4,294.9786982]],PRIMEM["Greenwich",0.0],UNIT["degree",0.0174532925199433]]