active mine造句

By 1964, the line served just one active mine, operating on a limited basis.
The ICRC estimates more than 110 million active mines are scattered in 64 countries.
Today there is still active mining in Gold Canyon, both placer and hard rock.
It has not seen any active mining in many decades.
Active mining in the area is done around Bernic Lake by The Tanco Mining Company.
It's difficult to find active mine in a sentence. 用active mine造句挺难的

By 1909, three active mines are in Production the Keeley, Bellellen and the Wettlaufer mines.
There are six active mining permits in the watershed.
Currently, there is no active mining in New Jersey.
As of 2001, there are eight active mining permits in the watershed of Rausch Creek.
The Truckee Range is criss-crossed by old mining claims, although it currently has no active mines.
However, within 10 years of their discovery, major diamond mines were unearthed and active mining began.
He said he plans to keep the active mines in operation as long as economically feasible.
Experts estimated there are between 60 million and 120 million active mines scattered around the globe.
But enforcement is directed at more active mines.
Experts estimate there are between 60 million and 120 million active mines scattered around the globe.