Layer Estimates:

Layer: GPS Control (ID:0)
Count: 3272
Extent:

XMin: 352967.005785754
YMin: 3651472.91977665
XMax: 808771.187353449
YMax: 4051412.21036177
Spatial Reference: 26915 (26915)

Layer: Benchmark (ID:1)
Count: 4438
Extent:

XMin: 249054.147628889
YMin: 3586018.05658749
XMax: 4896042.7029433
YMax: 5253589.36890129
Spatial Reference: 26915 (26915)