Layer Estimates:

Layer: mast_locations (ID:0)
Count: 106
Extent:

XMin: 137028
YMin: 747001
XMax: 317324
YMax: 952973
Spatial Reference: 27700 (27700)

Layer: tower_locations (ID:1)
Count: 113
Extent:

XMin: 119346.4311
YMin: 754948.682399999
XMax: 326138.116
YMax: 966977.370200001
Spatial Reference: 27700 (27700)