Layer Estimates:

Layer: WaterQualitySamplePoints (ID:15)
Count: 27345
Extent:

XMin: -104.078126660983
YMin: 20.3445500000954
XMax: -102.762530396885
YMax: 21.190105999907
Spatial Reference: GEOGCS["GCS_WGS_1984",DATUM["D_unknown",SPHEROID["WGS84",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]