Cattle Grid (Radio Telescope Array and Field Station)
The cattle grid where the track crosses the perimeter line: a sunk pit under a run of steel bars in a concrete surround, with a red marker post at each side.
- 格式
- GLB
- 文件大小
- 13 KB
- 三角面
- 228
- 许可
- CC0 1.0
The cattle grid where the track crosses the perimeter line: a sunk pit under a run of steel bars in a concrete surround, with a red marker post at each side.