The Pit Traditional Geocache
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Difficulty:
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Terrain:
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Size: 
(small)
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The cache is a 12x12x4cm plastic box. It is placed in a pit that has been filled up, in a hole under a tall inclined birch. You will have to remove a small dark rock (24x12x8cm) to get access to the cache.
The Sillböle iron deposit was originally found in 1744. Ore hoisting was carried out at intervals during 1744-1866. The in situ Fe-content of this iron-oxide mineralization was probably somewhere between 50 and 60%. Traces (less than 1%) of other metals, such as vanadium, titanium and manganese, have been found later.
The deposit still holds about 30 000 tons of Fe. Since the dominant mineral is magnetite, you should not trust your magnetic compass too much in this area. The magnetic anomaly caused by the deposit can also be seen in aeromagnetic maps.
If there is more than just a few cm of snow on the ground the cache might be a bit hard to find.
Additional Hints
(No hints available.)