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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:
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 ...
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
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.
The ponds are the result of strip mining, or surface mining for iron ore or coal during the 1960s and 1970s. Hanging Rock Ponds have a total of 51 ponds, scattered throughout a 5,000 acre (20 km 2) national reserve. This area is part of the Wayne National Forest, Ohio's only national forest.
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The Egypt Valley Wildlife Area is a 14,300 acres (5,800 ha) former surface mining area in northwestern Belmont County Ohio, United States.Since the mid-1990s, the Ohio Department of Natural Resources has administered the area.
(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 ...