Layer Estimates:

Layer: Ports and Harbours (ID:0)
Count: 13
Extent:

XMin: 568137.378648451
YMin: 876128.140399001
XMax: 666004.357274762
YMax: 946501.804736373
Spatial Reference: 2157 (2157)

Layer: Donegal Airport (ID:1)
Count: 2
Extent:

XMin: 578049.8522
YMin: 921665.4926
XMax: 653447.926767875
YMax: 921924.705922176
Spatial Reference: 2157 (2157)

Layer: NationalRoutes (ID:2)
Count: 159
Extent:

XMin: 572508.383
YMin: 858101.082599999
XMax: 640394.2697
YMax: 937354.122199999
Spatial Reference: 2157 (2157)