Layer Estimates:

Layer: FortsoftheWest1859 (ID:0)
Count: 55
Extent:

XMin: -2062853.09976921
YMin: -1131786.55429395
XMax: 1018198.60204565
YMax: 1466059.42571158
Spatial Reference: PROJCS["Custom Projection_Clarke",GEOGCS["GCS_Clarke_1866",DATUM["D_Clarke_1866",SPHEROID["Clarke_1866",6378206.4,294.9786982]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Albers"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-101.7118888888889],PARAMETER["Standard_Parallel_1",21.01122222222222],PARAMETER["Standard_Parallel_2",53.69108333333333],PARAMETER["Latitude_Of_Origin",37.37341666666666],UNIT["Meter",1.0]]