Fortifications of First World War in Helsinki - WFS API


From the dataset abstract

The dataset depicts the first World War-era fortifications, as well as some details of the fortifications. The data is based on a survey commissioned by the Public Works Department of the...

Source: Helsingin ensimmäisen maailmansodan aikaiset maalinnoitukset

Additional information

Field Value
Format WFS
Coordinate system ETRS-GK25