From the dataset abstract
Old maps of Helsinki. Some of the maps are available in file format only, some are also available via a WMS interface. Map of Helsinge Parish 1749 Historical map from 1749...
Source: Helsingin historialliset kartat
Additional information
| Field | Value |
|---|---|
| Format | WMS |
| Published | 24.03.2025 |
| Coordinate system | ETRS-GK25 |