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2. National Mine Map Repository - Wikipedia

   en.wikipedia.org/wiki/National_Mine_Map_Repository

   NMMR's oldest mine: 1792 anthracite coal, "Old Mine." One of NMMR's oldest mine maps: 1859 anthracite coal map from Hazleton Coal Co. The NMMR contains digital and microfilm maps of surface and underground coal, metal, and non-metal mines throughout the United States. Some of the information that can be obtained from the repository includes:

3. Mining in Brazil - Wikipedia

   en.wikipedia.org/wiki/Mining_in_Brazil

   In 2019, Brazil's figures were as follows: it was the world's largest producer of niobium (88.9 thousand tons); [2] the 2nd largest world producer of tantalum (430 tons); [3] the 2nd largest world producer of iron ore (405 million tons); [4] the 4th largest world producer of manganese (1.74 million tons); [5] the 4th largest world producer of bauxite (34 million tons); [6] the 4th largest ...

4. Pitinga mine - Wikipedia

   en.wikipedia.org/wiki/Pitinga_mine

   The Pitinga mine is an open pit tin mine in Brazil. It is thought to have the largest undeveloped tin deposit in the world. A complete community of 5,000 people was established in the remote location in the Amazon rainforest to support the mining operations, which began in 1982. There have been accidents, but efforts have been made to minimise ...

5. List of mines in Brazil - Wikipedia

   en.wikipedia.org/wiki/List_of_mines_in_Brazil

   Alegria mine — Minas Gerais; Anglo Ferrous Metals (AFM) Minas-Rio Project — Minas Gerais; Carajás Mine — Parauapebas, Pará; Corumbá (mine) — Corumbá, Mato Grosso do Sul; Serra Sul (S11D) — near Canaã dos Carajás, Pará

6. Robyville, Ohio - Wikipedia

   en.wikipedia.org/wiki/Robyville,_Ohio

   Robyville is an unincorporated community in Smithfield Township, Jefferson County, Ohio, United States.It is located southwest of Adena on Hanna Avenue. [2]Robyville was a company town for the Roby Coal Company, which operated multiple large mines nearby.

7. Ohio files $17M lawsuit against former mine company over ...

   www.aol.com/news/ohio-files-17m-lawsuit-against...

   (The Center Square) – Ohio Attorney General Dave Yost filed a $17 million lawsuit Tuesday against a northern Ohio company that dates back six decades. The lawsuit says the United States Gypsum ...