Mapping From the mid 17th century onwards, multiple expeditions to measure and map L. Mälaren were undertaken. The lake was strategically and economically important, and there was a lack of a reliable map to navigate it. However, L. Mälaren’s many islands and bays made it an extensive and laborious task to measure.
Mapping From the mid 17th century onwards, multiple expeditions to measure and map L. Mälaren were undertaken. The lake was strategically and economically important, and there was a lack of a reliable map to navigate ?it. However, L. Mälaren’s many islands and bays made it an extensive and laborious task to measure.