1 day ago · The Trump administration is ratcheting up government ownership in mining companies that are nominally Canadian, raising questions about whether Ottawa plans similar …

Mining is the extraction of valuable geological materials and minerals from the surface of the Earth. Mining is required to obtain most materials that cannot be grown through agricultural …

The Mines and Minerals Bureau is responsible for reclamation of abandoned surface coal mines, administration of an emergency program for subsidence related to mining, operation of the …

Quarrying limestone and dolomite for dimensional stone and cement products has been a staple of Iowa’s mining industry for more than a century. Iowa is also one of the top 10 gypsum …

Nov 4, 2025 · Mining, process of extracting useful minerals from the surface of the Earth, including the seas. A mineral, with a few exceptions, is an inorganic substance occurring in …

Oct 19, 2023 · Mining is the process of extracting useful materials from the earth. Some examples of substances that are mined include coal, gold, or iron ore. Iron ore is the material from which …

Dec 24, 2024 · This article reviews different mining methods, their economic roles, and the sustainability challenges they pose in the context of resource extraction.

Coal mining along Muchakinock creek dates back to 1843, when local blacksmiths mined coal from exposures along the creek. By 1867, there were small drift mines all along Muchakinock …

The Mining Law, as amended, opened the public lands of the United States to mineral acquisition by the location and maintenance of mining claims. Mineral deposits subject to acquisition in …

There are just under 1,000 registered mineral sites in Iowa, utilized by 197 operators in 96 counties. Minerals extracted at these sites include: limestone, sand and gravel, gypsum and …