Mining started in the 18th century and continued until the 1960s.
Mining continues to be an important part of the area's economy.
Mining continued until 1997, when the mine was closed once more.
Mining continued in the area, with peak production between 1906-1914.
Mining continued under a new owner for a short time, but the town was soon abandoned.
Lots were surveyed in 1905 and mining continued around the town until 1944.
Diamonds were discovered here in 1888 and mining continued to 1926.
The mining of copper and silver continued until the 18th century.
Mining continued until 1913, when the Mansfield closed for good.
Mining began in the 1860s, and continued, off and on, until the 1980s.