Location Description:
Isättragruvan is a former feldspar and quartz mine located near Isättra / Härsbacka, east of Åkersberga in Österåker municipality, Sweden.
The mine was active mainly between 1918 and 1927, and during that period more than 63,000 tons of feldspar and quartz were extracted.
After mining ended, the site was repurposed: from 1948 onward the former mine served as a strategic oil / fuel-storage depot.
⚠️ Important:
This location may be on private property or in a hazardous condition. Do not enter without explicit permission from the owner.
Author:
Need the right equipment?
Backpack
At 300$, this backpack is certainly not one of the cheapest backpacks, but we can say with a clear conscience that it is money well spent. It is well produced, has some well thought-out functions and still looks nice. Despite the high price, this backpack also has 4.5 stars out of 300 Amazon reviews.
4-Gas Monitor
A 4-gas monitor detects and measures not only carbon monoxide but also the levels of oxygen, combustible gases and hydrogen sulphide and ensures safety in hazardous environments by indicating dangerous gas concentrations. Highly recommended especially in bunkers and places where there is not much fresh air
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