The type of lead found on Height 611 was different from the lead found in local lead deposits.
There are significant lead deposits in the area of Janjgir.
However, removal of lead deposits in this manner is usually not possible because of lead's high boiling point.
The peak use of leaded gasoline in the late 60's and early 70's added only a relatively small fraction to the lead deposits.
During Roman times, it was called Plumbaria, after its lead deposits.
Unfortunately miners would probably have to dig at least 1,000 feet down before they reach the top of the lead deposits, if they could find them.
Even though lead deposits are the main concentration the first metal extracted in the area was copper.
Galena became a boom town in the 1840's as fortune hunters arrived to mine the rich lead deposits that lay under the earth nearby.
His grandparents came to Missouri about 1840 after the discovery of lead deposits there.
It occurs as a secondary mineral in oxidized hydrothermal lead deposits.