Layer Estimates:

Layer: walker_sampling_strata (ID:0)
Count: 9
Extent:

XMin: 307350.999701193
YMin: 4195769.1515107
XMax: 309292.529301181
YMax: 4197252.57851072
Spatial Reference: PROJCS["unknown",GEOGCS["GCS_unknown",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-117.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]