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The repository is constantly seeking donations of mine maps to add to the microfilm/digital collection. [12] When maps are received from a donor, they are scanned and stored in both microfilm and digital archives. The maps, along with a scanned images (upon request), are returned to the donor. The repository does not retain hard copies of maps.
NiceHash is a cryptocurrency broker and exchange with an open marketplace for buyers and sellers of hashing power. The company provides software for cryptocurrency mining . The company was founded in 2014 by two Slovenian university students, Marko Kobal and Matjaž Škorjanc. [ 1 ]
The National Instrument 43-101 requires substantially more technical disclosure to the market than the equivalent JORC Code, because the JORC Code is primarily a code for reporting the status of a mineral resource, whereas NI 43-101 is a code of securities disclosure. This distinction is based on the derivation of the two codes: the JORC Code ...
The list below is a collection of available official national projected Coordinate Reference Systems. Links to the relevant unique identification codes of the EPSG Geodetic Parameter Dataset, the most comprehensive collection Coordinate Reference Systems, are provided in the table.
Ethereum is a decentralized blockchain with smart contract functionality. Ether (abbreviation: ETH [a]) is the native cryptocurrency of the platform. Among cryptocurrencies, ether is second only to bitcoin in market capitalization.
Begun in 1978, the mine's operation area currently (as of end of 2017) has a size of 43.8 km 2, with the total area designated for mining having a size of 85 km 2. [4] It is the deepest open pit mine with respect to sea level: the bottom of the pit, with up to 500 metres (1,640 ft) from the surface, is 299 metres (981 ft) below sea level, [5 ...
A cutaway of a PM-79 mine. The PM-79 is a small, circular Bulgarian blast-resistant anti-personnel mine, superficially similar to the Russian PMN. The mine uses a unique trigger design; on the top of the mine, beneath a thin rubber cover is a dish shaped pressure plate. Pressure on the outer rim of the dish shaped plate levers up a central post ...
Salina Turda (Hungarian: tordai sóbánya) is a salt mine in the Durgău-Valea Sărată area of Turda, the second largest city in Cluj County, northwest Transylvania. Opened for tourists in 1992, the Salina Turda mine was visited by about 618,000 Romanian and foreign tourists in 2017. [2]