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they hew the like Pieces from the Floors. Thefc 
Pillars are again hewed into Blocks, from Three to 
Six Feet long, according to their Thicknefs. They 
are drawn up, and tranfported in fuch Pieces, and the 
fmall in Barrels. 
The Quantity of Salt dug here yearly, comes to 
about 120,000 Centeners of Vienna : and the whole 
Expenccs for Officers, Workmen, Materials, fyc. 
amount to about 100,000 Dollars. The Number of 
Workmen of all Sorts make about 600 Perfons : 
They are very healthy and long-lived, not fubjed to 
the Scurvy, or any particular Diftempcrs. The Of- 
ficers on the contrary are very lubjed to Difeafes of 
the Breaft, and Confumptions, which is probably 
owing to the frequent Changes of Air they meet 
with, their Bufinefs obliging them to ftir about much, 
both above and below Ground, where the Air is 
very different. 
Thefc, Sir, were the mod material Oblervations 
I was able to make in the Progrefsof our long March, 
amidft my daily Cares and Fatigues in the Duties of 
my Profeffion. 1 fhall from time to time give you 
Accounts of whatever I think remarkable, and if 
you, or any Gentleman of the Royal Society (hall 
favour me with any Inquiries concerning the Pro- 
dudions of this Country, I will return the molt 
fatisfadory Anfwer in my Power. I hope to hear of 
your receiving this, and am, 
Sir , 
Tour moji humble Servant, 
James Mounsey. 
VIII. 
