How exactly did the brothers spend their income from the small mines?

The government has also vowed to close 4,000 small mines to improve industry safety.

These new cluster rockets have a range of 30 to 40 miles, and each one has 90 small mines in it.

A government battery was built to process ore from small mines.

However, for a long time, very small "personal" mines were the only practical development.

Now, apart from a few small mines there are none.

In addition there are six other smaller mines that contribute about 22% of the total.

Much of the output growth during this period came from small local mines.

A smaller mine was also located in the village of Zbuch.

The central government has repeatedly promised to close small, unsafe mines.