Layer Estimates:

Layer: Air Release Valve (ID:1)
Count: 402
Extent:

XMin: 782928.3918125
YMin: 3967995.8183125
XMax: 831762.277375
YMax: 4064531.31
Spatial Reference: PROJCS["PCS_Transverse_Mercator",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-111.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]