Lady McLennan Mystery Cache
nighteez: Other caches necessary to find coordinates have been archived
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Difficulty:
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Size: 
(micro)
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This nano sized cache is not located at the listed co-ordinates!
The listed co-ordinates are those of Port Kembla No. 5 Blast Furnace built by Australian Iron and Steel in 1971.
This is the fifth of a 6 cache series commemorating the Port Kembla Blast Furnaces. The full series will take finders to locations where six historical blast furnaces operated in NSW. These enterprises met with varying degrees of success.
This nano sized cache is not located at the listed co-ordinates!
The listed co-ordinates are those of Port Kembla No. 5 Blast Furnace built by Australian Iron and Steel in 1971.
This is the fifth of a 6 cache series commemorating the Port Kembla Blast Furnaces. The full series will take finders to locations where six historical blast furnaces operated in NSW. These enterprises met with varying degrees of success.
Blast Furnaces are sometimes known by the name of the person who first lit them. No. 5 Furnace at Port Kembla was first lit on March 13th 1972 by Lady McLennan, wife of the Chairman of BHP Pty Ltd. Lady McLennan’s name was Dora and so we should perhaps affectionately know the furnace as ‘Dora’.
The combined production of all 6 furnaces that have operated at Port Kembla has quite recently passed the 200,000,000 tonnes mark. No5 Furnace’s contribution stands at over 78,000,000 tonnes produced over 38+years during four campaigns.
The first campaign (1971-78) was very difficult and produced just 9.1 million tones in 6.36 years. After massive re-engineering and technology upgrades, the second campaign produced 25.2 million tones in 12.18 years between 1979 and 1991. The third campaign lasted from 1991 to 2009 and 42.5 million million tones of hot metal were produced. The furnace was relined during the global financial crisis and blown in for its fourth campaign in August of 2009. The combined ironmake over all campaigns is now approaching 80 million tones. The density of pig iron is a little over 7 tonnes per cubic meter – so this represents a massive volume – a cube of edge length 225meters!!
To find the coordinates of the cache location find caches “Emily” and “Essington”. The former provides the south decimals XXX and the latter provides the east decimals YYY.
The cache is located at S 34 28.XXX E 150 53.YYY
Additional Hints
(Decrypt)
Ab uvagf