Layer Estimates:

Layer: Castles and fortified places (ID:0)
Count: 1200
Extent:

XMin: -1165855.7062474
YMin: 6705948.13796364
XMax: -620265.523530665
YMax: 7414906.07922916
Spatial Reference: 102100 (3857)

Layer: Standing stones, stone circles, etc (ID:1)
Count: 1200
Extent:

XMin: -1165855.7062474
YMin: 6705948.13796364
XMax: -620265.523530665
YMax: 7414906.07922916
Spatial Reference: 102100 (3857)

Layer: Crosses, ogham and rock art (ID:2)
Count: 1200
Extent:

XMin: -1165855.7062474
YMin: 6705948.13796364
XMax: -620265.523530665
YMax: 7414906.07922916
Spatial Reference: 102100 (3857)

Layer: Tombs and graves (ID:3)
Count: 1200
Extent:

XMin: -1165855.7062474
YMin: 6705948.13796364
XMax: -620265.523530665
YMax: 7414906.07922916
Spatial Reference: 102100 (3857)

Layer: Abbey's, Churches and other religious places. (ID:4)
Count: 1200
Extent:

XMin: -1165855.7062474
YMin: 6705948.13796364
XMax: -620265.523530665
YMax: 7414906.07922916
Spatial Reference: 102100 (3857)

Layer: Bullauns and windmills (ID:5)
Count: 1200
Extent:

XMin: -1165855.7062474
YMin: 6705948.13796364
XMax: -620265.523530665
YMax: 7414906.07922916
Spatial Reference: 102100 (3857)