subsurface mining
1Mining industry of Angola — Mining in Angola is an activity with great economic potential since the country has one of the largest and most diversified mining resources of Africa. Angola is the third largest producer of diamonds in Africa and has only explored 40% of the… …
2Mining — This article is about the extraction of geological materials from the Earth. For the municipality in Austria, see Mining, Austria. For the siege tactic, see Mining (military). For name of the Chinese emperor, see Daoguang Emperor. Simplified… …
3Mining in Angola — Angola is the third largest producer of diamonds in Africa and has only explored 40% of the diamond rich territory within the country, but has had difficulty in attracting foreign investment because of corruption, human rights violations, and… …
4Mining and metallurgy in medieval Europe — The Middle Ages in Europe cover the time span from the 5th c. AD, marked by the decay of the Roman Empire, to the 16th c. AD, when social and economic factors shifted Europe towards the Modern Era. During the millennium between classical… …
5subsurface entry — An entry upon land made below the surface thereof, for example, by excavation in the course of mining. 52 Am J1st Tresp § 14 …
6General Mining Act of 1872 — The General Mining Act of 1872 is a United States federal law that authorizes and governs prospecting and mining for economic minerals, such as gold, platinum, and silver, on federal public lands. This law, approved on May 10, 1872, codified the… …
7History of coal mining — Due to its abundance, coal has been mined in various parts of the world throughout history and continues to be an important economic activity today. Compared to wood fuels, coal yields a higher amount of energy per mass and could be obtained in… …
8Coal mining in India — Coal reserves in BTUs as of 2009 Coal mining in India has a long history of commercial exploitation covering nearly 220 years starting in 1774 with John Sumner and Suetonius Grant Heatly of the East India Company in the Raniganj Coalfield along… …
9Nome mining district — Cape Nome mining district   unincorporated mining district   …
10Kremnica — Geobox | Settlement name = Kremnica category = Town image caption = symbol = Coat of Arms of Kremnica.svg etymology = official name = motto = nickname = country = Slovakia country state = region = Banská Bystrica district = Žiar nad Hronom… …
